271. Television violence has contributed directly to rising crime , as evidenced by statistics showing a dramatic rise in copycat crimes .
數(shù)據(jù)顯示模仿的犯罪行為有大幅度的增加，這證明電視暴力是犯罪增加的一部分直接原因。
272. The introduction of adcance agronomic techniques has contributed greatly to the development of agriculture , as indicated by statistics showing increased output in each of the past five years .
數(shù)據(jù)顯示在過去的五年中，每一年的產(chǎn)量都有提高，這表明發(fā)達的農(nóng)業(yè)技術(shù)的引入對農(nóng)業(yè)發(fā)展起到了很大的作用。
273. While it may appear that the gap between rich and poor people is narrowing somewhat , recently released evidence suggests that the opposite is true .
貧富之間的差距看似有一定的縮小，但是最近發(fā)布的證據(jù)表明事實正好相反。
274. While attaining world peace remains within the realm of possibility , the prevailing trend revolves around regional conflicts and internal strife in many countries .
獲得世界和平是有可能的，但是普遍的趨勢是存在地區(qū)沖突和許多國家內(nèi)部的斗爭。
275. Although statistics are quite often far less reliable than one might wish , other reliable information allows one to closely approximate industrial output figures .
盡管數(shù)據(jù)經(jīng)常比人們希望的不可靠得多，但是，其他可靠的信息使人們能得到接近工業(yè)產(chǎn)量的數(shù)字。
276. Although random sampling used for many surveys fails to cover large segments of the population , the procedure nonetheless offers insight into voting and consumption patterns .
雖然許多調(diào)查所用的隨機取樣不能覆蓋大部分人口，但是這一過程使人們能更深刻地理解選舉和消費的模式。
277. The need for more government services has proved to be the case time and again .
事實多次證明需要更多的政府服務(wù)工作。
278. The funny thing about marriage is that the newness soon wears off .
婚姻的一個可笑之處是新鮮感馬上就沒有了。
279. There are instances when one must abandon the tendency for self-prevention in order to assist a person in grave danger .
存在這樣的情況：為了幫助處于嚴重危險中的人，一個人必需拋棄自保的傾向。
280. There are situations in which it's highly advisable for a person to control his/her temper and keep his/her mouth shut .
有些情況下，一個人控制住自己的脾氣并保持沉默是明智的。