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。
2
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.