2 sentences

1. 他的月薪由底薪和提成组成。

   tā de yuè​xīn yóu dǐ​xīn hé tí​chéng zǔ​chéng.

   His monthly salary consists of a base pay and commissions.

   Source: Dong Chinese Dictionary

2. 销售员按销售额的百分之五提成。

   xiāo​shòu​yuán àn xiāo​shòu'é de bǎi​fēn​zhī​wǔ tí​chéng.

   Salespeople receive a five percent commission on sales volume.

   Source: Dong Chinese Dictionary