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🗣️ 情景例句
If you don't know a person's last name, use 'ma'am' or 'sir'.
如果你不知道一人的姓， 你应称呼他为 'ma'am' 或 'sir' 。
Goodbye. Hope to see you again next year.
再见。希望明年再见到你。
So he couldn't buy himself lots of good things. But he had lots of friends instead.
所以他不能给自己买很多好东西。可是他却有许多朋友。