1、高分句型1: That's an interesting question... 这是个有趣的问题。
2、高分句型1: That's a tough question... 这是个有难度的问题。
3、高分句型1: That's a difficult question... 这是个有难度的问题。
4、例句：That's an interesting question and I would like to thank you for asking me this. 这个问题有趣，谢谢你的提问 (官方套路)。
5、I believe that waste recycling is not a choice but a mandatory task. 我认为垃圾分类是一个强制任务，没得选择。
6、高分句型2：I don't know much about it ...
7、例句：I don't know much about it from my personal experience.根据我个人经历，我并不太清楚。
8、I can say that we should focus on more pressing issues rather th锾攒揉敫an wasting money on things.我们应该关注更要紧的问题，而不是浪费钱。
9、高分句型3：I have not given enough thought on that... 我没有仔细想过。
10、例句：I have not given enough thought on that but I feel the trend is not a good one. 我没仔细想过，但是这个趋势并不好。
