Pushdown
推下; 后进先出方式
🗣️ 情景例句
We usually accept payment by irrevocable L C payable against shiping documents.
我们一般用不可撤销信用证，凭装运单据结汇付款方式。
Second, understanding other cultures is also important.
其次，理解其他的文化也是重要的。
The wall has ears.
隔墙有耳。