Zimmerman has calculated that customs agencies worldwide seize approximately one-tenth of one percent of total imports .

根据齐默尔曼的计算，全球海关部门大概只截货了所有进口山寨商品的十分之一。

Belgian customs didn 't respond to requests for comment .

比利时海关则对没有回应我们的询问。

The three countries inaugurated a customs union this year .

今年这三个国家之间成立了关税联盟。

But not all ofjapan 's customs serve it well .

但并非所有的日本风俗都有利于后人。

China is a vast landscape , with huge differences in income , climate and customs .

中国地域广阔，各地区的收入水平、气候和习惯存在巨大差异。