認為怎樣的英文短語

　　I think I could, if I only knew how to begin.

　　要是我知道怎麼開始的話，我想我可以。

　　I don't think there's a specific rule about how to beat stress.

　　我認為關於如何戰勝壓力，沒有具體規則。

　　I think it's really interesting to see how the mind can contain so much.

　　我想，能看到大腦能容納這麼多東西真是件有趣的事情。