Indispensible
不可或缺
🗣️ 情景例句
Will you honor a credit card?
你们承认信用卡吗？
Why didn't you do it?
为什么你不做？
for in the evening she would be going to a fancy-dress part with her husband.
因为晚上她要同丈夫一起参加一个化装舞会。