n. 费用;花钱的东西;开销;(向雇主报销的)费用;费用( expense的名词复数 );花费的钱;消耗;花钱的东西;
🗣️ 情景例句
What business are you in?
你从事哪一行?
It's hard to say.
难说。
The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.