Congnition is the foundation of design.

认识是设计的基础。

Advance in our congnition of the molecular mechanism of cancers has led to targeted molecular therapies that may permit the improvement of therapeutic efficacy and reduce the toxicity of drugs.

这一针对恶性肿瘤的新疗法，可以改善肿瘤患者的治疗效果，同时降低药物毒性。