回复：You're so welcome

来源: 于 2009-09-22 10:45:40 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Thanks for your encouragement.

I think you may be right, "each" and "every" should be treated as key words. They have a sense of stressing.

I will do more homework for the next reading.