A tiny story can be cited as an instance of ( exceedingly ) selfless contribution of teachers.

...a Senate committee.

参议院委员会

the senate of London University

伦敦大学评议会

By the time I was Vice Chancellor, Senate had become a much larger and a much more democratic body.

到了我当校长的时候，大学评议会的人员规模已显著扩大，也变得更加民主了。

a Senate committee

参议院委员会

By the time I was Vice Chancellor, Senate had become a much larger and a much more democratic body...

到了我当校长的时候，大学评议会的人员规模已显著扩大，也变得更加民主了。

Sales still happen, but buyers are more selective...

销量仍在，但购买者更加挑剔。

You will have to be selective about which information to include in the report.

究竟要把哪些资料收入报告，你得仔细斟酌。

All descriptions are necessarily selective.

一切描述必定都是选择的.

Their admissions policy is very selective.

他们执行严格挑选的录取政策。

But most brokers expect the state companies'support for yards to be selective.

但大多数经纪人预计,国有企业对船厂的支持是具有选择性的.

He seemed to have a very selective recall of past events.

他好像对过去的事情有选择地回忆.

selective strike action

有选择的罢工行动

If public figures seek publicity to further their careers, they can't be selective about it.

如果公众人物想通过吸引公众的关注来推进事业，他们可能会不加选择。

[不可数名词]Schools are tending towards greater selectivity.

学校对新生的选拔有趋严之势。

I think it's kind of like selective hearing.

但长久的影响那就很难说了.

a selective school (= one that chooses which children to admit, especially according to ability)

择优录取学生的学校

F . on adhesive or replace special UV varnish or selective surface troughability material.

上底胶或更换特殊的UV光油或选择表面性能好的材料.

The product will be selectively marketed in the US (= only in some areas).

这种产品将有选择地投放到美国某些地区的市场。

...selective education.

尖子生教育

We seem to have a selective memory for the best bits of the past...

我们似乎只记得过去最美好的时光。