it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算別人為我們為所提供的服務的價值卻是極其困難的。
新概念英語第三冊
Lesson 27 Nothing to sell and nothing to buy
?? 句中詞匯解析
從本句中提取的重要詞匯
adv. 極端地;非常，很;去;絕;
?? extreme極端的+ly表副詞 →過分地
"The payment offered to the rank and file is extremely poor."
列兵的待遇極低.
近義：highly, hugely, immensely, inordinately, magnificently, mighty
反義：incompletely, nearly, poorly, barely, scantily, scarce
adj. 困難的;難做的;難解的;不易相處的;
?? dif不+fic做+ult表名詞→不好做→困難的
"The short story is a difficult art form to master."
短篇小說是一種很難掌握的藝術形式。
近義：rough, troublesome, complicated, arduous, intricate, labored
反義：uncomplicated, basic, cushy, doss, easy, facile
n. 估計，預測;報價，預算書;評價，判斷;
vt. 估計，估算;評價，評論;估量，估價;
?? estim價值+ate動詞后綴 → 使之成為有價值的東西的過程 → 估計，估量
"They estimate the number at more than one million each year."
他們估計每天這樣的數目將超過一百萬。
近義：calculate, appraise, appreciate, assess, rate, valuate
n. 價值，價格;意義，涵義;重要性;（郵票的）面值;
vt. 評價;重視，看重;估價，給…定價;
?? val(strong)+ue(名詞后綴)→價值；估價；尊重
"The main criterion is value for money."
主要的標準是錢要用得劃算。
近義：appreciate, prize, regard, relish, respect, treasure
反義：snub, coldshoulder
n. 人，人類;居民;人民;種族;
vt. 居住于，布滿;使住滿人，在…殖民;把動物放養在;
?? popul, publ 表”人民”
"I can't abide people with no sense of humour."
我討厭和沒有幽默感的人打交道。
近義：populate, settle, crowd, individuals, persons, folks
反義：person, single, subject, dude, bleeder, bloke