2 sentences

1. 总体而言，这个计划是成功的。

   zǒng​tǐ ér​yán, zhè​gè jì​huà shì chéng​gōng de.

   Overall, the plan was a success.

   Source: Dong Chinese Dictionary

2. 研究人员从总体中随机抽取了样本。

   yán​jiū rén​yuán cóng zǒng​tǐ zhōng suí​jī chōu​qǔ le yàng​běn.

   Researchers randomly took samples from the population.

   Source: Dong Chinese Dictionary