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
I want to keep the after-school programs--
我要保存这些课外活动--
That's really something.
真了不起。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!