7、thoutsayingthat___观点一_____.People, however, differ in their opinions on this matter. Some people holdtheideathat___观点二_______.Intheirpointofview,ontheonehand,___原因一_______.Ontheotherhand,____原因二_____.Therefore,there isno doubt that___观点二______.AsfarasIamconcerned,I firmly suppor