Gaining
n. 增进单向开槽；单向开槽
🗣️ 情景例句
what you need to fix up the old library.
你们修复旧图书馆所需要的东西。
Don't swap horses when crossing a stream.
行至中流不换马；危难之时不宜作大变动。
Each day is a holiday,and ordinary holidays, when they come,
每天都是假日，而通常的假期到来时，