同根派生 black markets相关词英汉例句Good quality jeans are available on the black market in Russia.質量好的牛仔褲在俄羅斯黑市能買到。Good quality jeans are only available on the black market in this city.在這個城市,上乘的牛仔褲衹有在黑市上才能買到。black markets更多例句