▲the world 做句子主语表示“全世界的人，每个人，人人，世人”，意思虽然如此，但是根据主谓一致原则，谓语动词仍用单数。例如：

All the world knows their secret.人人都知道他们的秘密。

We, as the world knows, will never start a war.全世界周知我们永远不会掀起战争。

The world knows a great deal about apartheid.世人对种族隔离了解甚多。

The world knows that the few are more than the many.世界知道,少数比多数更多。

▲更多例句：

Whenever we look at Haikou from this point of view, what does the world see? 当我们从这一视野来俯瞰海口时，世界能看到什么呢?

It would include clear statements so the world understands that the U.S. is not in bed with the tired old Arab autocrats. 这个倡议还将通过明确的言辞，使全世界明白，美国不与陈腐的阿拉伯独裁者同行共卧。

China grows most grains the world knows. 中国种植着世界上已知的大部分谷类植物。

It is no secret. The whole world knows it. 这不是秘密。早已街知巷闻了。

It's a simple fact; the whole world knows it. 这事很简单,全世界的人都知道。

The whole world knows the Balin stone.The Balin stone has become the most valuable gift and collection in China recently. 巴林石名扬海外，传遍世界，进年来巴林石已经成为最高档的礼品和收藏品。

The whole world knows about it. 全世界都知道这件事。