同义词
1)undertake,v.承担,担任;许诺,保证;着手,从事2)begin to act in or exercise(sth);undertake;take on,开始从事;承担;担任;呈3)warrant,n.正当理由;许可证,委任状 v.保证,担保4)undertake,着手承担5)Assumption of Warranty Liability,保证责任承担6)thing one has promised to do; pledge; undertaking,承诺;允诺;保证;承担
