2 sentences

1. 你有没有孪生姐妹？

   nǐ yǒu​méi​yǒu luán​shēng​jiě​mèi?

   Do you have a twin sister?

   Source: OpenSubtitles

2. 她一定有个孪生姐妹什么的。

   tā yī​dìng yǒu ge luán​shēng​jiě​mèi shén​me​de.

   She must have a twin sister or something.

   Source: AI Challenger 2017