口译必看：China Daily高频单词表（134）
三大作风 the Party's three important styles of work (integrating theory with practice, forging close links with the masses and practicing self-criticism)
三废(废气、废水、废渣） “three wastes”(waste gas, waste water and waste residues)
三个有利于 three favorables (whether it promotes the growth of the productive forces in a socialist society, increases the overall strenth of the socialist state and raises the people's living standards
三个代表 three represents theory (The Party should always represent the development needs of China's advanced social productive forces, always represent the onward direction of China's advanced culture, and always represent the fundamental interests of the largest member of the Chinese people.)
三高农业 "three highs" agriculture (high yield, high quality and high efficiency agriculture)
三好学生 merit student; three good student(good in study, attitude and health)
升级换代 updating and upgrading (of products)
三角恋爱 love triangle
三角债 chain debt
三讲教育（讲学习、讲政治、讲正气） three emphases education (to stress theoretical study, political awareness and good conduct)
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