Conclusion Three-step ladder for cancer pain relief can effectively alleviate the patients' pain and raise their quality of life.

结论三阶梯止痛疗法能有效缓解疼痛，提高患者的生命质量。

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Chief Executive Jack Welch has some blunt words for women climbing the corporate ladder: you may have to choose between taking time off to raise children and reaching the corner office.

前首席执行长杰克·韦尔奇(Jack Welch)对那些在职场上为升迁而打拼的女性提出了一些直言不讳的忠告：你可能不得不在暂时停止工作在家带孩子和进军高管行列之间作出选择。

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As part of the negotiations over the fiscal cliff, Congress and President Obama are battling over whether to raise marginal tax rates at the very top of the income ladder.

FORBES: In 2013, Millions Of Americans Face Obamacare Tax Hikes