China's diplomatic clout will re-energize the push for a total ban on ivory trade during the upcoming Convention on Inte

China's monthly trade surplus hit a record $60.6bn in February, as exports grew and imports slid back.由于出口增长和

stocks 存货，库存量cash sale 现货purchase 购买，进货bulk sale 整批销售，趸售distribution channels 销售渠道wholesale 批发retail trade 零售业hire-purchase 分期付款购买fluctuate in line with market conditio