[C] official advice given to someone, especially about what to do

正式建议; 提议:

We will review the case and make a recommendation to the client.

我们将审查此案，然后向当事人提出建议。

recommendations for school reform

学校改革的建议

the main recommendations of the report

报告的主要建议

We are making no recommendation that children should use Standard English.

我们并不是建议儿童一定使用标准英语。

a recommendation to replace the existing system

更换现有系统的建议

[U] a suggestion to someone that they should choose a particular thing or person that you think is very good

建议; 推荐:

Academic staff are appointed on the recommendation of a committee.

教员是委员会推荐任命的。

[C] also letter of recommendation [especially AmE] a formal letter or statement saying that someone would be a suitable person to do a job, take a course of study etc

推荐信:

Try to get letters of recommendation from bosses and colleagues.

设法得到老板和同事的推荐信。