A customs union has long been talked of; in the "northern triangle" of Honduras, Guatemala and El Salvador, progress is being made on this.

关税同盟的事已经讨论了很久了；由洪都拉斯、危地马拉和萨尔瓦多组成的“北方三角”都已经从这一进程中获利了。

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How long will it take us to get through the customs.

通过海关检查要多长时间。

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Long-term formation of the customs can not easily break; Who tried to change his way of life, the result is often useless.

长期形成的习俗不是轻易可以破除的；谁试图改变自己的生活方式，结果往往徒劳无益。

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We've been following the saga of the extra-budget Matrix One tablet almost since its birth, and there's been mounting concerns as the company (or rather its parent, Direct Merchandise Marketing) went silent not long after reporting a customs freeze on shipments.

ENGADGET: Matrix One pins troubles on part delays and Google Wallet freeze, says refunds coming

Thus, at Heathrow, I had to make the long walk from the plane to customs.

FORBES: My 30-Hour Trip Home From Qatar

But Cambodia already has an effective tariff of zero, thanks to its long and porous borders and corrupt customs officials.

ECONOMIST: But Cambodia's WTO membership may not make much difference