means后面还有一句话Your voice should be clear and direct.确定填means吗？请告诉我。 谢谢whenPeople 一个单词 are very shy often have little confidence It is very hard 一个单词 them to say no No.I've already made plans for this time or sorry .I'm 一个单词 I'm not free ai that time可以加个QQ好友吗？以后英语有不懂的地方想请教你.谢谢