3 sentences

1. 我觉得爱是单方面的。

   wǒ jué​de ài shì dān​fāng​miàn de.

   I think love is one-sided.

   Source: OpenSubtitles

2. 与真正的朋友的对话不是单方面的。

   yǔ zhēn​zhèng de péng​you de duì​huà bù​shì dān​fāng​miàn de.

   Conversations with real friends aren’t one-sided.

   Source: CCMatrix

3. 在一个健康的家庭里，付出不是单方面的。

   zài yī​ge jiàn​kāng de jiā​tíng li, fù chū bù​shì dān​fāng​miàn de.

   In a healthy family, giving is not one-sided.

   Source: CCMatrix