Take the time to check out the validityof an offer.
花时间检验提议方的合法性。
2
The offer must be final, and be ready for the following contract based on it as soon as the offeree accepts the offer during the term of its validity.
发盘必须是最终的，只要受盘人在发盘有效期内接受(发盘)，接下来的合同马上就可以在此基础上签订。
3
Objective By psychometric evaluating questionnaire, evaluate the decision-making capability of the elderly to choose the offerof health service, and evaluate the reliability and validity.