Why leave it to chance when it could be disappointing?

当它可能令人失望时， 为什么要让它碰运气呢？

I usually leave it to chance, but if I wasn't going to I would bring leftovers and it would probably look something like this.

我通常会碰碰运气，但如果我不去的话，我会带剩饭剩菜，它可能看起来像这样。