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
Let us out here.
让我们在这儿下车。
He that will eat the nut must first crack the shell.
欲所得,必先劳。
The Native Americans caught and trained them and were then able to use them to carry their goods when they travelled from one camping ground to another.