春天一到，很多人开始跑步减肥。

Chūntiān yí dào, hěn duō rén kāishǐ pǎobù jiǎnféi.

As soon as spring arrives, many people start running to lose weight.

在北方，春天常常来得很晚，但是来的时候很美。

Zài běifāng, chūntiān chángcháng lái de hěn wǎn, dànshì lái de shíhou hěn měi.

In the north, spring often comes very late, but it is beautiful when it comes.

春天的时候，我们常常去外面散步。

Chūntiān de shíhou, wǒmen chángcháng qù wàimiàn sànbù.

In spring, we often go outside for a walk.