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重点讲解：
1. for the sake of 由于；为了；因为…的缘故；
She called on us merely for the sake of courtesy.
她来访只是为了礼貌。
2. cope with (成功地)处理，应付，对付；
He can cope with the present situation.
他能够应付当前的局势。
3. take up 承担；
I have already realized my mistakes; what I can do now is to take up responsibility for what I had done.
我已经认识到了自己的错误，现在，我唯一能做的就是为自己所做的事情承担应有的责任。
4. take the floor (在辩论或讨论中)发言；
The chairman permitted me to take the floor.
主席允许我发言。
n. 帮助，援助
