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名词前加定冠词the表示“这一类”时，名词就不要加表示复数的-s, 否则则表示这部分。
A foreigner living in a Swedish village=A foreigner who is living in a Swedish village.
--A foreigner wrote a letter to the Ombudsman complaining...
--The editor sent a fax instructing the journalist to get statistics.
simply because: just because
accuse sb. of doing sth.
It is only possible for us to learn the language well if we study hard.
representative / represent
a committee representing all political parties
in question: 当事的，所涉及的
put an end to=stop
Prevent…from…阻止。。。做。。。
You prevent me from doing the work
The lawyer ascertained that a policeman had indeed dealt roughly with foreigners on several occasions.
ascertain that / sth.
made sure that / made certain that
dealt roughly with: ill-treated
be prejudiced against sb. / sth.
Eg: If you are prejudiced against sth. ，you must take objection to it.
find this out: to discover it
The new house is converted from an old one.
区别：transform: 形态或性质上发生变化，主要指物理能量上的转变，或电压的改变 vary: 由于改变而使多样化
Eg: We can transform one form of energy into another.
Eg: Customs vary with the time
