lack of physical and mental energy, both of which are essential in turning out and throwing away, and sentiment.
一是體力，精力均告不佳，這二者是清除無用的東西必不可少的因素；另一原因是感情因素。
新概念英語第三冊
Lesson 59 Collecting
?? 句中詞匯解析
從本句中提取的重要詞匯
adj. 自然（界）的;身體的;物質的;自然規律的;
n. 身體檢查，體格檢查;
?? phys生理領域 + ical ...的 → a.物質的；物理的；身體的
"the cult of physical fitness"
健身熱
近義：material, personal, substantial, bodily, concrete, corporal
反義：unworldly
n. [物]能量;活力;精力;精神;
?? en進入+erg能量，活動+y表名詞→進入能量→能量；活力
"The government did an about-turn over nuclear energy."
政府對核能的態度來了個180度的大轉變。
近義：health, heart, impetuosity, impetus, impulsiveness, ardour
反義：puniness, weakening, weariness, exinanition, debility, destructibility
adj. 基本的;必要的;本質的;精華的;
n. 必需品;基本要素;必不可少的東西;
?? essent=be存在，本質 + ial ...的 → 必要的，本質的
"The essential thing is that the two of you ought to agree."
根本的問題是你們倆應意見一致.
近義：must, necessity, proviso, requirement, requisite, condition
反義：nonissue, needless, pointless, profitless, purposeless, redundant
turning
['t?n??]
n. 旋轉;轉向;轉彎處;車工工藝;
v. 轉動;扭轉;（使）變成;“turn”的現在分詞;
?? turn轉+ing名詞后綴 → 轉向；旋轉
"Not turning up was just a cop-out."
不露面只不過是在逃避而已。
近義：turn, bend, corner, curve, revolution, rotation
adv. 離開，遠離;在遠處;消失;
adj. 不在的;遙遠的;客場比賽;
?? a(on)+broad→在遠方；離去；不在
"In the hotel, the old men were drinking away as usual."
在旅館里, 這些老人和往常一樣喝個不停.
近義：abroad, out, outdoors, outside, without