to … extent, used to say how true something is or how great an effect or change is

到…程度; 在…程度上:

We all to some extent remember the good times and forget the bad.

我们在某种程度上都会记住美好的时光而忘掉不愉快的事情。

I do agree with him to an extent.

我在一定程度上确实同意他的意见。

Its success will depend to a large extent on local attitudes.

此事的成功在很大程度上将取决于当地人的态度。

It will affect farmers in Spain and to a lesser extent in France.

这将影响到西班牙的农民，其次会影响到法国农民。

They examined the extent to which (=how much) age affected language-learning ability.

他们调查了年龄会在多大程度上影响到语言学习能力。

To what extent (=how much) did she influence his decision?

她在多大程度上影响了他的决定？

Violence increased to the extent that residents were afraid to leave their homes.

暴力事件多到了令居民不敢出门的程度。

[U] how large, important, or serious something is, especially something such as a problem or injury

程度〔问题、伤势等的大小、重要性和严重性〕:

Considering the extent of his injuries, he's lucky to be alive.

就他的伤势来说，他能活下来真是够幸运的。

It's too early to assess the full extent of the damage.

要全面评估损失程度还为时过早。

[U] the length or size of something

长度; 面积:

They opened out the nets to their full extent .

他们把渔网完全张开。

The region is over 10,000 square kilometres in extent.

这个地区的面积超过 10,000 平方公里。