您要查找的是不是：
- 强制性coerciveness
- 强制性的compellent
- 要约offer
- 强制性要求mandatory requirement
- 要约邀请invitation to treat
- 要约人offeror
- 强制性规定mandatory provision
- 寄送的价目表、拍卖公告、招标公告、招股说明书、商业广告等为要约邀请。A delivered price list, announcement of auction, call for tender, prospectus, or commercial advertisement, etc. is an invitation to offer.
- 非强制性optional nature
- 财团要约consortium offer
- 上学是强制性的。Attendance at school is obligatory.
- 原要约[法] original offer
- 强制性的独裁政府a repressive dictatorship.
- 反要约counteroffer
- 强制性破产involuntary bankruptcy
- 撤销要约revocation of an offer
- 强制性开支mandatory expenditure
- 要约引诱[法] invitation to offer
- 强制性标准compulsory standard
- 持续要约standing offer
