You can't learn too soon that the most useful thing about a principle is that it can always be sacrificed to expediency.
?? 名句詞匯解析
從本句名言中提取的重要詞匯，幫助你深度理解這句話
adj. 有用的，有益的，有幫助的;令人滿意的;
?? use用+ful可…的” →有用的
"The memory expansion cards are useful adjuncts to the computer."
內存擴充卡是計算機很有用的附件。
近義：helpful, assistive, available, profitable, purposive, serviceable
反義：idle, inane, ineffective, insignificant, lousy, needless
n. 原則，原理;準則，道義;道德標準;本能;
?? prim, prin 表”首先的,領頭的”
"They are agreed in principle but not in detail."
他們的看法在大體上是一致的,但是在細節上有所不同.
近義：law, axiom, rule, tenet, motive, point
vt.& vi. 學習，學會;習得;得知;記住;
vt. 記住;學習;得知;認識到;
vi. 學習;獲知;
?? 學習好才能掙錢(earn)
"Children must learn socially acceptable behaviour."
兒童必須學會社會上認可的行為舉止。
近義：know, acquire, develop, find, realize
反義：forget
adv. 立刻，馬上;一會兒，不久;快;寧愿;
?? 速(諧音): 迅速
"The whole building was soon ablaze."
整棟大樓很快就熊熊燃燒起來。
近義：hereupon, apace, immediately, promptly, pronto, quickly
反義：langsyne, lately, whilom, yesterday, yesteryear, yore
n. 事件，形勢;東西，事物;家伙;事業;
"She was the only thing that made life bearable."
只因有了她生活才可以過得下去。
近義：item, knickknack, article, object, tchotchke, thingamabob
expediency
[[ik'spi:di?nsi]]
n. 權宜, 方便, 私利
近義：apropriateness, propriety, readiness, briskness, convenience, advantage