She is under an obligation to her adoptive mother.

她有赡养她养母。

She is under an obligation to her adoptive father.

她有赡养她养父。

We are under an obligation to help.

我们有帮忙。

I have an obligation to look after her.

我有照顾她。

I have a duty to perform.

我有一种要。

It is the supp liers respon sib ility to en su re that the w arehou se receives the p roduct undam aged.

供应商有保证入库没有损坏。) 这段文字也不是太长 表现在笔记上可以是: all= sam no≈ no× ifw ri。