promise本身即有名词的词性，作为名词，意思是许诺；希望，指望；允诺的东西。If you make a promise, you should keep it如果做出了承诺，就应该遵守。If you promise someone something如果你答应了某人。The sharing economy has a promising future共享经济有着美好的未来。
扩展资料
promise本身即有名词的.词性，作为名词，意思是许诺；希望，指望；允诺的东西。If you make a promise, you should keep it如果做出了承诺，就应该遵守。If you promise someone something如果你答应了某人。
