casa1363007
guarantee 英 [ˌgærənˈti:] 美 [ˌɡærənˈti]n.保证，担保;保证人，保证书;抵押品vt.保证，担保例句：Most states guarantee the right to free and adequate education大多数州都保障人们免费享受充分教育的权利。There is still no guarantee that a formula could be found.还没有把握是否能找到一个配方。
你好，朋友们
Good teacher-student relationship is the basic guarantee for the success of teaching. 喜欢请采纳
