Collaboration across borders is essential to combat deforestation and climate change.《全球森林管理》

It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.

为人高傲自夸，喜欢独断专行，这是行事办事的祸患。

在说某人做了某事时，我们可能也在执行某项行动。

我发现独处时效率最高。

如果你不愿意冒险，就永远不会取得伟大的成就。