[with obj.]make certain that (something) will occur or be the case 保证,担保 [with clause]the client must ensure that accurate records are kept. 客户必须确保有准确的记录。 ■make certain of obtaining or providing (something) 保证得到,保证给予 [with two objs]she would ensure him a place in society. 她会保证他有社会地位。 ■[no obj.](ensure against)make sure that (a problem) does not occur 保证不会发生(问题)
语源
late Middle English (in the senses 'convince' and 'make safe'): from Anglo-Norman French enseurer. alteration of Old French aseurer, earlier form of assurer (see assure). Compare with insure
用法
On the difference between ensure and insure, see usage at insure