therefore
单词辨析：
指由某种原因而得出某一结果，多用于句首，常可与 therefore 换用。
Accordingly/Therefore, this problem should be solved by the following method.
因此，这个问题应该用以下这种方法解决。
Accordingly/Therefore, we hereby offer the following three suggestions.
为此，特提出以下3点建议。
Some of the laws were contradictory. Accordingly/Therefore, measures were taken to clarify them.
有些法律相互矛盾。因此，采取了措施予以阐明。
强调有前因后果，符合逻辑关系。
She missed the train and consequently was late for work.
她没有赶上火车，结果上班迟到了。
The company went bankrupt. Consequently, he lost his job.
公司破产，他因此失业了。
Consequently, we should have no problem reaching our goals this year.
因此，我们达成今年的目标应该没有问题。
指随之而来的结果是理所当然的，同时也强调其重要性。
Hence, this session is of great importance.
所以，这次全会意义重大。
They grew up in Asia, hence their interest in oriental culture.
他们在亚洲长大，因此对东方文化产生了兴趣。
Hence our army must and certainly will triumph.
因此，我们的军队一定要胜利，而且一定会胜利。
最普通用词，一般用于比较随便的场合，尤用于口语。
She's not feeling well, so she wants to stay in bed.
她感到不适，所以想卧床休息。
Billy hit me, so I gave him back tit for tat.
比利打了我，所以我也以牙还牙打了他。
It's all over now, so think no more of it.
现在一切都过去了，别再去想它了。
通常用于引出某一推断性的结论，与前述内容有因果关系。
This house is smaller and therefore cheaper.
这所房子要小一点，所以价格也就便宜一些。
They have a growing population and therefore need more food.
他们的人口在增长，因此他们需要更多的食物。
My sister likes to listen to music, therefore she often buys CDs.
我姐姐喜欢听音乐，所以她常买唱片。
与 therefore 基本同义，但多用于书面语中。
Fay studied hard; thus she received high marks.
费伊用功读书，因此获得高分。
She forgot to turn on the radio and thus missed the programme.
她忘了打开收音机，因此错过了那个节目。
He is the eldest son and thus heir to the title.
他是长子，因此是头衔的继承人。
相关例句：
They had seen him trawling and therefore knew that there were fish
他们曾见过他用拖网捕鱼，因此知道那里有鱼。
It's our hope that we will play an increasingly greater role in the marketplace and, therefore, supply more jobs.
我们希望在市场中扮演越来越重要的角色，从而提供更多的就业机会。
We therefore had to contrive a very large black-out curtain.
因此我们得制作一块很大的遮光窗帘。
The stewards 'badges are made so they do not unstick from a car and therefore cannot be passed around.
为乘务员制作了徽章，这样它们就不会从车厢上脱落下来，也不会被传来传去。
Nothing was to prevent him now from becoming the richest, and therefore the happiest, man in the world.
现在什么也阻挡不了他成为世上最富有因而也是最幸福的人。
The President will therefore have to tread a very fine line when he addresses the parliament.
因此，总统在向议会演讲时将不得不仔细拿捏分寸。