They document a person's commitment to, for example, stop smoking, lose weight, or save more money.

它们将个人对于戒烟，减肥，增加储蓄之类的承诺文档化。

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The information in this document is subject to change in order to improve reliability, design, or function without prior notice and does not represent a commitment on the part of the company.

为了改进产品的可靠性，设计和功能，本文件中的信息可以进行更改而不用事先通知客户，同时不代表公司做出任何承诺。

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It's a good idea for some, but most couples don't have a lot of assets to worry about at the start, and many a moony-eyed pair think there's something unromantic about beginning a lifelong commitment with a financial document drafted by lawyers.

FORBES: For Love And Money

In the outcome document, they made a commitment to strengthening Education for Sustainable Development (ESD) beyond the end of the UN Decade of ESD (2005-2014).

UNESCO: MEDIA SERVICES

"In hindsight it appeared that once the Time for Action document was published on 3 November (2008), the commitment to doing anything serious about the problem ended on 4 November, " he said.

BBC: Mayor Boris Johnson's violent youth scheme criticised