(1)由……構(gòu)(組)成(be made up of or be composed of)[I+prep(of)][不用prog]：A football team～s of eleven players.一個(gè)足球隊(duì)由11名球員組成。A week～s of seven days.一個(gè)星期有七天。A university～s of teachers，administrators and students.一所大學(xué)由教師、行政人員和學(xué)生組成。(the mixture)～of flour and water(這混合物)由面粉和水做成;(the soup)～of meat and peas (這湯)由肉和豌豆做成;(the dinner)～of three courses (晚餐)有三道菜;〖同〗contain，include;
(2)(存)在于，主要是(have sth as its most important or only part or feature)[I+prep(in)][不用prog](fml)：(courage)～in overcoming one's fears(勇氣)在于能克服恐懼;(goodness)～in being honest(美德)在于為人誠實(shí);(the beauty of sb's style)～in its simplicity(某人文風(fēng)的精采之處)在于精練;Her charm does not～only (simply) in her beauty.她的魅力不僅僅在于美貌。Education does not～only (simply) in learning a lot of facts.教育不僅僅在于學(xué)會知識?！纪絣ie;