海外的英语是：overseas; abroad。
双语例句：
1、他们在利润丰厚的海外市场上生意很多。
They do a lot of business in lucrative overseas markets.
2、我们的工业能与海外对手以平等的地位竞争吗？
Can our industry compete on equal terms with its overseas rivals?
3、他在海外工作了一段时间，却没有变得老练。
A period spent working abroad had done nothing to mellow him.
4、海外投资对出口有积极影响。
Overseas investment has had a positive effect on exports.
5、对赴海外工作的人员有特别安排。
There are special arrangements for people working overseas.
6、公司正准备打入海外市场。
The company is girding its loins for a plunge into the overseas market.
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