“不曾得到，何谈失去”用英语怎么说？

Never gains,how comes loses?

问句：
How can you lose something you don't have?

陈述句：
You can't lose something you don't have.

how can you lose something which you never get hold of.

I haven't gotten it.Don't mention lose it.

never get how to talk lose?

Never got,how lost?