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重点讲解：
1. be ready to do sth. 愿意的；乐意的；情愿的；甘愿的；
例句：She was always ready to give interviews.
她一向乐意接受采访。
2. not only...but also... 不仅……而且……；
例句：Labour is not only a necessity but also a pleasure.
劳动不仅是人生所必需的，而且是一种乐趣。
3. allow sb. to do sth. 允许；容许；准许；
例句：He pleaded with his mother to allow him to go to the circus.
他请求他母亲答应他去看马戏。
4. by virtue of 靠；凭借；由于；因为；
例句：Mr Olaechea has British residency by virtue of his marriage.
奥拉伊奇先生通过结婚而取得在英国的永久居留权。