Conclusion tie is a safe and effective therapeutic modality in treating PLC, and it can improve the cellular immune state of the patients with PLC significantly.
结论免疫栓塞治疗对原发性肝癌是一种安全有效的治疗方法，同时可改善肝癌患者的细胞免疫状态。
To end your speech, summarize the main ideas, and tie your conclusion to the introduction. That will give unity to the whole speech.
要结束时，总结重点，再将结论引申回开场白，这样的话，演讲内容才会前后一致。
As far as the study on peoples' finding jobs through social networks, western sociologists are in favor of the weak-tie theory, and similar studies in Asia reach in different conclusion.
关于求职者通过社会关系网络的求职行为研究，西方社会学界倾向于支持“弱关系”理论，而亚洲社会学界的研究则得出了不太一样的结论；
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