promise 用法:promise sb to do sth
另外quarantee， commitment也有承诺的意思
promise 有动词和名词的意思承诺
commitment有名词的意思承诺
promise
to
undertake；undertake
to
do
sth.；acceptance
of
offer；acceptance
commitment
名词
acceptance
affirmation
agreement
commitment
compliance
promise
undertaking
vouchsafement
动词
accept
agree
commit
consent
promise
undertake
to
do
smth
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