71) condition条件, situation情况状况, circumstance环境状况, situate位于, vary变化, varying变化的不同的, various各种各样的, variety各种各样, variety of各式各样, expert专家;
72) obvious明显, ambiguous模糊的, be bound up with相关, bind绑, efficient有效, efficiency效果, industry工业, agriculture农业, horticulture园艺, in turn反过来, effort努力, all kinds各种各样;
73) owing to由于因为, remarkable显著的, mass大众大量, communication交流, community社区, expose暴露, be exposed to暴露于接触, introduce介绍引入, for the reason given above由于上述原因;
74) pattern模式, spread扩大, or so大约;
75) stress压力强调, migrate移民, migration移民, arise from由引起, arise出现上升, rise上升, give rise to导致, raise增加喂养,
New York officials work to curtail price gouging
US 'patriotic millionaires': 'tax us more'
Number of international students attending American colleges and universities continues rising
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Psychologist tells inspiring story of his giant uncle
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Russian Prime Minister calls for ban on smoking in public
Serving farm-fresh meals -- at the farm
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US Congress demands inquiry into Petraeus resignation
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Words and their stories: down to earth
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Words and their stories: top brass
Hurricane Sandy reignites climate change debate
Gold seekers once rushed to Canada’s northwest
Gas shortages test patience of motorists following Sandy
President Obama wins second term
Did hurricane Sandy send a climate warning?
Blake Shelton wins big at CMA Awards
Storm aftermath brings ruin for one NYC family
Celebrities support US presidential candidates
Edwin Hubble changed our ideas about the universe
Obama victory driven by economy, turnout
The business of learning mandarin
Virginia Museum show features glass art pioneer Dale Chihuly
Global warming might threaten water supply
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