The beauty of a mathematical idea is that it can be shared and understood across cultures and time.

The magic of editing is in the ability to manipulate time and space, to create a new reality.

解释：使用毒性大的药物治疗疾病时，病情十成中只能去掉六成就要停药，以免伤害正气。

Every challenge is an opportunity to learn and grow.

政府、企业和社会之间的合作对于应对能源需求和气候变化的双重挑战至关重要。