在自然界中，优胜劣汰是很常见的现象。

Zài zìránjiè zhōng, yōushèngliètài shì hěn chángjiàn de xiànxiàng.

In nature, survival of the fittest is a very common phenomenon.

有人认为，职场上的优胜劣汰可以促进个人不断进步。

Yǒu rén rènwéi, zhíchǎng shàng de yōushèng liètài kěyǐ cùjìn gèrén búduàn jìnbù.

Some people believe that survival of the fittest in the workplace can promote continuous personal improvement.