1, yours is synonymous with the owner, referring to your things.

2.your is an owner adjective, which can only be placed before nouns or pronouns to indicate your.

Yours means "yours, yours", which is your adjective subject pronoun, such as "your bike", your bike, which is only added before the noun to mean "your ……" and yours also means "yours, yours", but it is your noun subject pronoun.

your

Emma, I trust your opinion very much, okay?

Emma, I believe your opinion very much.

A small amount of painkillers is very useful for lowering body temperature?

Small doses of painkillers are very useful for lowering body temperature.

Stan Riley is not a typical Brighton boy?

Stan Riley is not a typical Brighton boy.

your

I'm taking my coat upstairs. Roberta, shall I take yours?

I want to take my coat upstairs. Roberta, shall I take yours up, too?

I believe Paul is your friend?

I think Paul is your friend.

3. If your work is stressful, it is important that you learn how to deal with it. ?

If you are engaged in a high-pressure job, you must learn how to deal with it.

Waiting for your letter, your sincere william faulkner. ?

Looking forward to your letter, your sincere william faulkner.

I love my country as much as you love yours. ?

I love my motherland as much as you love your motherland.