n. 贸易;行业;<美>顾客;买卖;
vt.& vi. 交易,经商;
vt. 交换;经营…交易,做…的买卖;
vi. 贸易;买卖;以物易物;
🗣️ 情景例句
Come in.
请进。
Yes, a lot of friends.
是的,很多。
Of course he is. He's very successful. He's made lots of records. They broadcast a programme of his music last month on the radio. Why don't you come on Saturday? I think you'd enjoy it.