今天火车车厢里人不多。

Jīntiān huǒchē chēxiāng lǐ rén bù duō.

There aren’t many people in the train car today.

我想我的雨伞应该掉在车厢里面了。

Wǒ xiǎng wǒ de yǔsǎn yīnggāi diào zài chēxiāng lǐmiàn le.

I think I must have left my umbrella in the train car.

地铁车厢里严禁进食。

Dìtiě chēxiāng lǐ yánjìn jìnshí.

Eating is strictly prohibited in subway cars.