学好用好关联词有助于提升大家的阅读翻译和写作能力，常用关联词大概有10类：表示举例说明、表示增补意义、表示强调、表示对比或对照、表示比较、表示让步、表示结果、表示转折、表示结论、表示顺序，下面我们就意义来分享下各类关键词及其应用例句，大家注意把握其用法。
2017考研英语：表对比或对照类关联词及其运用
表对比或对照类关联词：
by contrast, but, conversely, in contrast, instead, on the contrary, on the other hand, otherwise, unlike, whereas, while, yet
应用例句
af) The birth rate for older women has declined, but, by contrast, births to teenage mothers have increased.
ag) The purpose of the scheme is not to help the employers but to provide work for young people.
ah) American consumers prefer white eggs; conversely,British buyers like brown eggs.
ai)Scandinavian cruises are very popular in the summer;conversely, the Caribbean is most popular in the winter.
aj)The stock lost 60 cents a share, in contrast to last year, when it gained 21 cents.
ak) Instead of being annoyed, he seemed quite pleased.
al)It wasn't a good thing; on the contrary it was a huge mistake.
am) Nuclear power is relatively cheap. On the other hand,you could argue that it's not safe.
an) It is equally vital that both should be mentioned, otherwise a client, particularly a buyer, could be seriously misled.
ao) Unlike most people in the office, I don't come to work by car.
ap) A bowl of instant oatmeal costs about $.15, whereas regular oatmeal costs only $.05 per bowl.
aq) The old system was fairly complicated whereas the new system is really very simple.
ar) Schools in the north tend to be better equipped, while those in the south are relatively poor.
as) Last summer there was a drought, yet some people were still watering their lawns every day.