1 sentence

1. 汽车制造商有几十年开发和提高产品安全性的经验。

   qì​chē zhì​zào​shāng yǒu jǐ shí nián kāi​fā hé tí gāo chǎn​pǐn ān​quán​xìng de jīng​yàn.

   Automakers have decades of experience developing and improving the safety of their products.

   Source: CCMatrix