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depend和depend on

今天在群里看小伙伴们讨论，学了个知识点，感谢

depend on 使用在非正式英语中时，一般会将on去掉

牛津高阶8版写的是，在非正式英语中，在what how whether 前使用depend 而非depend on

It depends how you define the term hostile .

man

一不小心在柯林斯高阶看到例句
The station is seldom manned in the evening. 这个站晚上很少有人值班。
man 做动词时，意思为在..岗位上工作、操作（机器等）

其他例句：

French soldiers manned roadblocks in the capital city .
法国士兵把守着首都的各个关卡。
the person manning the phone at the complaints department
投诉部的接线生

suggest

suggest后不能接动词不定式，即to do sth.
只能是suggest doing sth.
macmillan English Dictionary 2nd Edition 中的例句
The goverment suggested constructing another railway link to the mainland.
The therpist also suggest that Pamela should tell her parents more about what she was doing
suggest 某人干什么，要用suggest to sb. ，不能suggest sb.
He suggests to parents that they should adopt a different way of bringing up their children.

knowledge

knowledge 为不可数名词，knowledges 为错误的
有时可以加a，但只能是 a knowledge of sth.
We can exchange our experiences and knowledge.
Effective use of lauguage necessitates a good knowledge of grammar.
knowledge 后的介词是of，不能用in on
获取知识为gain/acquier knowledge

phenomenal

非凡的，不寻常的，惊人的
好生僻，查了好几个词典查不到
Exports of Australian wine are growing at a phenomenal rate.