1ContractsContractsContractsContracts2pesofContractes/PurchaseContractchnologyTransferAgreement3Ⅰ.TypesofContractn:actisapromiseenforceablebylawwhichmaybetodosomethingortorefrainfromdoingsomething.Itrequiresthemutuaersons,oneofthemmakinganorderandanotheraccepting.Ifoneofthemfailstokeepthepromise,theotherwilltakealecontractalsohasdifferentforms,itcanbemadebyverbalform,writtenformoraformexpecttw...