2 sentences

1. 争议是怎么发生的呢？

   zhēng​yì shì zěn​me fā​shēng de ne?

   How did the dispute arise?

   Source: CCMatrix

2. 我认为，另一个有争议的想法就是：愤怒可以是适应性的和健康的。

   wǒ rèn​wéi, lìng yī​ge yǒu zhēng​yì de xiǎng​fa jiù​shì: fèn​nù kě​yǐ shì shì​yìng​xìng de hé jiàn​kāng de.

   I think another controversial idea is that anger can be adaptive and healthy.

   Source: CCMatrix