Translation of "jo" into English

Vi ville jo gerne sikre os at der blev draget kærlig omsorg for min mor.

We certainly wanted to be sure Mother was lovingly cared for.

Men det var jo mig, der tog fejl.

But why should you pay for my mistake?

Eller, jo, men mit arbejde har ændret sig.

Well, actually, yes, but my work is different now.

Jo mere man leder, jo mindre ser man.

Sometimes the more you look, the less you see.