1. High tariff is a barrier to international trade.
    高关税是发展国际贸易的障碍。

2. All governments should make a concerted effort to stop the drug trade.
    各国政府应协调一致努力阻止毒品交易。

3. As countries around the world trade more with one another, more products are available. But the fast development of world economy will bring about many new problems.
    随着世界各国相互之间的贸易量的增加，可买到的产品也越来越多。

4. Suppose that during a negotiation with some government officials, the Minister of Trade makes it clear to you that if you offer him a substantial bribe, you will find it much easier to get an import license for your goods, and you are also likely to
    假定在一场与政府官员的谈判中，贸易部长向你明确表示如能给他一大笔贿赂，拿到进口许可证就会容易得多，还可能避免他所说的"程序上的延误" 。

5. On this second leg of the triangular trade, the ship went southward across the Bay of Biscay, down past the Canaries, into the mouth of the Gambia River.
    在这三角贸易的第二段航程中，该船向南航行穿过了比斯开湾，南下途经加那利群岛，驶入了冈比亚河的河口。

6. Learning a foreign language has been a most trying experience for me, but one that I wouldn't trade for anything.
    学习外语对我来说是非常艰辛的经历，但却是一种无比珍贵的经历。