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第1段
1 .<-NARRATOR:-> Now listen to part of a lecture in a business class.
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第2段
1 .<-MALE PROFESSOR:-> So OK, here's a good example.
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2 .A friend of mine owns a small jewelry store where she sells jewelry.
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3 .And the jewelry she sells-watches, rings, necklaces-
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4 .is very expensive,
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5 .thousands of dollars,
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6 .because it's all real gold, real diamonds, and other precious gemstones.
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7 .So of course, when customers come into her store...
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8 .well, if they're considering spending that much money on a piece of jewelry,
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9 .they want to make sure it's authentic,
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10 .that the gold is real,
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11 .that the gemstones are real and not just pieces of glass.
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12 .But most customers don't actually know how to tell the difference, on their own.
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第3段
1 .So in order to reassure her customers, what my friend did, is
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2 .she had a jewelry expert come in and look at all the jewelry in her store.
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3 .This expert had like twenty years of experience examining jewelry, so he knew a lot about it...
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4 .and the expert examined all the precious gemstones
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5 .and certified that they were authentic...
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6 .real. And then my friend put up a sign in the store saying that all the jewelry in the store
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7 .had been certified as authentic by a leading expert...
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8 .so her customers would see this sign
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9 .and know that all the jewelry in the store was real.
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10 .And since the expert didn't work for my friend's store,
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11 .it didn't matter to him if the jewelry got sold or not...
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12 .so customers were likely to trust his opinion.
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13 .The expert was therefore able to provide evidence
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14 .that the jewelry was worth the high prices.
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