解释：能吞下船的大鱼，不会在细浅的溪水里遨游；在天空高飞的鸿鹄，不会在肮脏的水池栖息。

Beware of the Turing tar-pit in which everything is possible but nothing of interest is easy.

The process of making a film is like a journey, you never know where it will take you.