而是比较一种情况的两个不同方面或者比较一种情况两个相反方面，简而言之就是不同或者相反的.关系，并且使用时要在on the other hand 前面加上”but“。如On the one hand I'd like a job that pays more, but on the other hand I enjoy the work I'm doing at the moment. （Cambridge Dictionary）
On the other hand单独使用时可以放在句首，或者以插入语的形式出现在句中，表达的意思是相反或者不同。如The profits of company C declined over these fifteen years. On the other hand, those of company B increased. （Cambridge Dictionary）My husband likes classical music – I, on the other hand, like all kinds. （Cambridge Dictionary）
例句：
On the other hand, alternative fuels do have drawbacks.
另一方面，替代燃料确实也有缺点。
On the other hand, there is the danger of trivialization.
另一方面，也存在琐细化的危险。
On the other hand, the population of the world is growing.
另一方面，世界人口正在增加。