The state recognizes this in the large body of family laws that govern children' welfare, yet parents receive little help in meeting the life-changing obligations society imposes.
出自-2010年6月阅读原文
With family and career obligations reduced, many said that they had more time for each other.
出自-2014年6月听力原文
Whereas local collaborations sometimes persist past the point of usefulness because of social or academic obligations, international ones can be cultivated and dropped more freely.
2019年6月六级真题（第二套）听力 Section C
柯林斯高阶英汉双解学习词典释义
N-VAR
义务;责任
If you have an obligation to do something, it is your duty to do that thing.
In advertisements, if a product or a service is available without obligation, you do not have to pay for that product or service until you have tried it and are satisfied with it.