OK的意思是好的或者可以接受，表示同意或赞成。
OK means all right or acceptable. It expresses agreement or approval.
Cool /酷的意思是good /好或者great /好极了，这是表示同意的常用词。
Cool / Cool simply means good / good or great / great and is a common word of approval.
如果没有明示同意，收件人同意之意思表示可以通过其相关行为或发件、收件人之间的关系中推测出来。
Where there is no express consent, consent can be inferred from relevant conduct, or from the business or other relationship the sender has with the recipient.
支付证书不应被视为是工程师的接受、批准、同意或满意的意思表示。
A Payment Certificate shall not be deemed to indicate the Engineer's acceptance, approval, consent or satisfaction.
然而，由于人类语言的复杂性和局限性，语句模糊和语句歧义，往往造成合同意思表示不明确；
Otherwise, due to the complexity and limitation of the language, sentences ambiguity and different meanings, which often causes undefined and missing meanings of contract.
然而，由于人类语言的复杂性和局限性，语句模糊和语句歧义，往往造成合同意思表示不明确；
Otherwise, due to the complexity and limitation of the language, sentences ambiguity and different meanings, which often causes undefined and missing meanings of contract.
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