买卖效力

【法】 effect of sale

买卖的英语翻译：

merchandise; marketing; bargain; buying and selling; trade; transaction
【经】 bargain; commercial act; commercial transaction; handle

效力的英语翻译：

render a service to; efficacy; force; potence; potency; vigour; virtue
【医】 efficiency; potency
【经】 effect