✔ 最佳答案
You don't have to make the decision now, as you have the whole lifetime to do it.
You don't have to make your decision now, as I've left you a whole lifetime for you to think about it.
You don't have to decide right now, as I'll spare my whole lifetime for you to make the decision.
There are a lot of ways to express the meaning of the sentence in English (or even in Chinese), and above are just some of the examples.