顺其自然英语怎么表达？go with the nature?

A: Okay. If you need anything,  just let me know.
好的。如果您需要什么，请告诉我。
B: Actually, you know what? Could you show me this bag?
嗯，能不能给我看一下这个包？

Key words: 
let v. 让；let’s go→ let us go(Please let us remove the bookshelf for you.
让我俩给你移动一下书架。)；let it go 顺其自然；就这样算了吧；let it pass; let go of it；
show v. 展示；→ showcase/display/demonstrate/exhibit /ɪɡˈzɪbɪt/