2 sentences

1. 测量三次，取平均值。

   cè​liáng sān​cì, qǔ píng​jūn​zhí.

   Measure three times and take the average.

   Source: CCMatrix

2. 每个人都是不同的，因此女性不能依靠人口平均值来了解自己的生育力。

   měi​ge​rén dōu shì bù​tóng de, yīn​cǐ nǚ​xìng bù​néng yī​kào rén​kǒu píng​jūn​zhí lái liǎo​jiě zì​jǐ de shēng​yù lì.

   Everyone is different and women cannot rely on population averages to understand their own fertility.

   Source: CCMatrix