短語(yǔ)詞組短語(yǔ)sb be an expert in 在…方面是專家be expert in doing 擅長(zhǎng)be expert in something 老練的內(nèi)行的be expert in subject 知sb be expert in 擅長(zhǎng)于BE EXPERT IN LOGISTICS 有專家在物流;將物流專家;將在物流專家to be expert in 擅長(zhǎng) 返回 be expert in