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Why should I be a good man?
我為什么要善良？

What a silly question.
真是個(gè)傻問題。

I choose to be a good man because it is what makes us human.
我選擇做一個(gè)善良的人，因?yàn)檫@就是人性。

It is our bottom line.
它是我們的底線。

I choose to be a good man because I know there are times that I need help from others. So I choose to give my help to others.
我選擇做一個(gè)善良的人，因?yàn)槲抑牢乙矔?huì)需要其他人的幫助。于是我選擇先去幫助別人。

I choose to be a good man because I want to be liked. I want to touch others' hearts so that I won't feel so alone.
我選擇做一個(gè)善良的人，因?yàn)槲蚁Ｍ蝗讼矚g。我想去觸摸別人的心，好讓我自己不會(huì)感到那么孤單。

This world is cruel. No one can survive it all alone.
這個(gè)世界是殘酷的。

You need love. You need support. You need people who cherish you.
你需要愛。你需要支持。你需要有人來珍惜你。

And that's what being a good man is about.
做一個(gè)善良的人，就是因?yàn)檫@些。

I want the world to be good. So I become good myself.
我希望這個(gè)世界對(duì)我好，所以，我要讓自己先變好。

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（翻譯：能貓）