Counter sample is made by ( ) which can help avoid disputes over the quality of goods in the future transaction.
B
暂无解析
Ourclientsaskedustobringdownourpricesbecausetheyconsiderthem_.
Onlythen______theimportanceofmyhealth.
He’sgothimselfintoadangeroussituationheislikelytobeaccusedofmeetingsomeone.