1 sentence

1. 我哥哥已经在西门子公司工作很多年了。

   wǒ gē​ge yǐ​jīng zài Xī​mén​zǐ gōng​sī gōng​zuò hěn​duō nián le.

   My older brother has been working for Siemens for many years.

   Source: Dong Chinese Dictionary