Chaffery
买卖, 交易, 贸易
🗣️ 情景例句
He never drinks except on special occasions.
除非在特别场合，他从不喝酒。
He is unworthy to live who lives only for himself.
为己而生，生而可耻。
How can we find out who are using these computers?
我们怎么知道都有哪些人在使用我们的计算机呢？