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1. Large and small enterprises differ in that the former usually involves conglomerates and the latter private individuals . 大企业和小企业的区别在于前者通常涉及联合大企业，后者涉及私营的个人。 2. Both automobiles and bicycles offer a convenient means of public conveyance , with one of the marked differences between the two centered on pollution caused by the former . 汽车和自行车都提供公共运输的便利方式，两者的显著区别之一在于前者引起污染。 3. Alcohol and tobacco are both highly addictive substances . However , unlike tobacco , which is known to cause cancer , studies indicate that alcohol does offer some health benefits when consumed in moderation . 酒和烟都是很容易上瘾的东西。但是，研究显示，与公认为引起癌症的烟不同，酒如果适量饮用确实对健康有益。 4. One mans treasure is another mans junk . 一个人的宝贝对于另一个人来说是垃圾。 5. AIDS is no longer one of the Top 10 American killers , but the same cannot be said for many countries . 艾滋病不再是美国的十大杀手之一，但许多国家的情况并非如此。 6. Individualism was unheard of a short 30-odd years ago during the tumultuous Cultural Revolution . Things have changed today , however ,with color returning to the streets of Chinese streets , people gaining a greater degree of self-determination and reform yielding monumental changes in traditional practices . | 
