2 sentences for 自然 (zì​rán — inevitably)

1. 自然会教你的。

   zì​rán huì jiāo nǐ de.

   Nature will teach you.

   Source: CCMatrix

2. 蜡烛自然熄灭。

   là​zhú zì​rán xī​miè.

   The candle went out by itself.

   Source: Tatoeba