重点讲解：
1. apple-polish
拍马屁；巴结；
eg. In order to get the promotion, she kept apple-polishing the manager.
为了升迁，她一直在拍经理的马屁。
eg. He hopes to pass the exam by apple-polishing the teacher.
他拍老师的马屁以求通过考试。
2. take a stand
表明立场；明确立场；决定态度；
eg. He thought people should take a stand on such an issue.
他认为人们应该对这样一个问题表明立场。
eg. So few people ever take a stand for what they believe in.
几乎没有人敢于维护自己的主张。
3. on business
办事；出差；办公事；
eg. I am here on business as opposed to a holiday.
我在这里是办公事而不是度假。
eg. I generally try to take in a show when I'm in New York on business.
我到纽约公干时常顺便看场演出。