1. Dependence is marked first by an increased tolerance, with more and more of the substance required to produce the desired effect, and then by the appearance of unpleasant withdrawal symptoms when the substance is discontinued.

　　对药品的依赖性首先表现为不断增长的耐药量，要产生想得到的效果所需要的药品剂量越来越大，然后表现为当停止用药后，令人不快的停药症状的出现。

　　2. Is this what you intended to accomplish with your careers? Senator Robert Dole asked Time Warner executives last week. You have sold your souls, but must you corrupt our nation and threaten our children as well?

　　上星期参议员罗博特多尔质问时代华纳公司的高级管理人员们： 难道这 就是你们希望能够成就的事业?你们已经出卖了自己的灵魂，但是难道你们还非要腐化我们的国家，威胁我们的孩子们吗?