Time isn't a line; it's a dimension, like the dimensions of space.
The future of medicine is not just about treating disease, but about preventing it before it starts.
医学的未来不仅仅是治疗疾病，而是在疾病开始之前预防它。
解释：第一次击鼓能振作士兵们的勇气，第二次击鼓可以使士兵们的勇气低落，第三次击鼓士兵们的勇气就消失了。