短語詞組短語sb be an expert in 在…方麪是專家be expert in doing 擅長be expert in something 老練的內(nèi)行的be expert in subject 知sb be expert in 擅長於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 返回 be expert in