War may sometimes be a necessary evil. But no matter how necessary, it is always an evil, never a good. We will not learn how to live together in peace by killing each other's children.
?? 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
adv. 有時，間或;時而;
?? sometime某一時間的+s表副詞 →有時
"Even friends disagree sometimes."
即便是朋友有時也有分歧。
近義：occasionally, oft, once, rarely, betweentimes, betweenwhiles
反義：invariably, periodically, repeatedly, steadily, usually, consistently
adj. 必要的;強制的;必然的;不可避免的;
n. 必需品;
?? necess必要 + ary 表示有...性質的， → a.必要的；必然的
"Vitamin D is necessary to aid the absorption of calcium from food."
從食物中吸取鈣需靠維生素D的幫助。
近義：indispensable, inevitable, mandatory, needful, obligatory, obliged
反義：needless, pointless, profitless, purposeless, redundant, reiterative
adj. 邪惡的，罪惡的;有害的;不幸的，不吉的;品行壞的;
n. 邪惡，罪惡;壞事，惡行;邪惡的力量、勢力或化身;災禍;
?? e 加強或引申意義、使…+vil =base （卑劣的） → n.邪惡；禍害 a.壞的
"the evil effects of racism"
種族主義的惡劣影響
近義：ill, infirmity, malady, complaint, affection, disease
反義：goodness, humane, kind, kindhearted, kindly, loyal
n. 事件;（討論、考慮等的）問題;重要性;物質;
vi. 要緊，重要;化膿;有重大影響;有重要性;
"Now we come to the crux of the matter ."
現在我們來談問題的癥結。
近義：import, signify, weigh, count, amount, issue
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
vi. 生存;居住;生活，過活;在生活中得到享受;
vt. 經歷;度過;
"We cannot live without water."
沒有水我們不能生存。
近義：last, reside, be, sojourn, subsist, dwell
反義：perish, vanish, part, croak, decease, depart