1 sentence

1. 公司在推出新产品之前进行了详尽的市场调查。

   gōng​sī zài tuī​chū xīn chǎn​pǐn zhī​qián jìn​xíng le xiáng​jìn de shì​chǎng​diào​chá.

   The company conducted a detailed market survey before launching the new product.

   Source: Dong Chinese Dictionary