首先,称呼就是那位老师的名字了,因为美国人都是直接叫名字的,就算是兄弟姐妹之间也是直呼名字的。
Could you tell me the meaning of the fourth sentence in the first paragraph? 这种是比较礼貌正规的。
I've got a question, i don't understand the fourth sentence in the first paragraph, could you explain that for me? 这种就是比较口语化的
两种都可以的,只要你能表达意思就可以了。
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