For everything you have missed, you have gained something else, and for everything you gain, you lose something else. It is about your outlook towards life. You can either regret or rejoice.
因为你失去的一切,你得到了别的东西;因为你得到的一切,你失去了别的东西。这关乎你的人生观。你可以后悔,也可以高兴。