开始就不要停止.结束就不要后悔用英语怎么说?

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翻译如下：
开始就不要停止.结束就不要后悔
It is important to start after not stop.
Don't cry over spilled milk.
If you have started,don't stop.If you have ended,don't regret.
1. 不论你在什麽时候开始，重要的是开始之后就不要停止。
Whenever you start, it's more important not to stop (after it).
2. 不论你在什麽时候开始，重要的是开始之后就不要停止。
No matter when you begin, don't stop after the more important thing is to beginning!
3. 不论你在什麽时候开始,重要的是开始之后就不要停止.不论你在什麽时候结束,重要的是结束之后就不要悔恨。
Regardless of when you started, it is important that it should not stop after the start. Regardless of when you end, it is important not to regret after the end.
once started, do not stop.
once ended do not regret