you never know what you can do till you try是谁说的?

you never know what you can do till you try是谁说的? 翻译You never know what you can till you try. You never know what you can till you try. 冷夕you will never know what you can do till you try it. You never know what you can do until you try. 帮忙翻译成中文:You never know what you can till you try. You will never know what you can do untill you try!啥意思 You will never know what you can do __unless__ yo you can never know what's possible unless you try to make it You can never know what is possible unless you try to make i You don't know what you can do until you try You don't know what you can do until you try.A bold attempt