单词must-have
adj.: 必备的；值得拥有的
n.: 〈非正式〉必备品
网络: 必须拥有；必须要的；必须要有
〈非正式〉必备品
必备的;值得拥有的
复数：must-haves
Another voice must have answered him, for he replied to it: "Yes, yes! It is the right day, but this is not the place. "
大概还有另一个声音在回答他，因为他答着腔说道：“没错，没错，日子是对的，但地点不是这里”
There is no doubt, however, that the Mayas must have been familiar with cocoa several centuries earlier.
毫无疑问，玛雅人已在几个世纪前就对可可有所认识了。
Somebody at Penn must have listened to me (or one of the other complainers), because that course is now taught in Java.
宾夕法尼亚大学里一定有人听到了我的呼声（或者听到了其他抱怨者的呼声），因为如今这门课讲授的计算机语言是Java。
Although the mother must have real characteristics, there must be an air of mystery.
虽然母亲必须有真正的特色，就必须有一个神秘的气氛。
Terrified as I was, I could not help thinking to myself that this must have been how Mr Arrow got the strong waters that destroyed him.
我当时虽然吓得魂不附体，仍情不自禁地想着：“让埃罗先生送了性命的那些烈酒大概就是从那里来的。”
"He must have dashed into a shop near work and just bought them, " she complained. "There was no thought put into it. "
“他一定是冲进公司附近的一家店铺，直接就买下来的，”她抱怨说，“他根本没有花心思。”
oh, with all that I"ve done wrong, i must have done something righto.
哦，尽管偶做了不少错事，但偶肯定也做对了一些。
By the words that he uttered in his agony, he must have been the last survivor of a considerable company of men.
从他痛苦地迸出来的几句话听来，他一定是大队兵士中唯一的幸存者。
He said many things about economy and a balanced budget that he must have regretted afterward.
关于节约和平衡预算的事，他谈了许多，这是他后来必定要懊悔的。
He bent his great, shaggy head over Harry and gave him what must have been a very scratchy, whiskey kiss.
他弯下他巨大的，毛茸茸的脸，给了哈利一个扎人的、带有威士忌酒味的亲吻。