2 sentences

1. 我们会重开行之有效的性教育课程。

   wǒ​men huì chóng​kāi xíng​zhī​yǒu​xiào de xìng jiào​yù kè​chéng.

   We will be returning to our tried and tested sex education curriculum.

   Source: OpenSubtitles

2. 这个方法行之有效，很快就解决了问题。

   zhè​gè fāng​fǎ xíng​zhī​yǒu​xiào, hěn kuài jiù jiě​jué le wèn​tí.

   This method proved effective and solved the problem quickly.

   Source: Dong Chinese Dictionary