Any product that promises to protect your home deserves careful examination.
2016年12月四级真题（第一套）阅读 Section B
英语六级真题
It promises a long-term career path.
出自-2013年12月阅读原文
Governments in rich countries now accept that their pension and health-care promises will soon become unaffordable, and many of them have embarked on reforms, but so far only timidly.
出自-2010年12月阅读原文
柯林斯高阶英汉双解学习词典释义
VERB
承诺；保证；答应
If you promise that you will do something, you say to someone that you will definitely do it.
If a situation or event promises to have a particular quality or to be a particular thing, it shows signs that it will have that quality or be that thing.