The most important thing in directing is to have a clear vision of what you want to achieve.

中心地是总旅行距离最小的点。

"Algorithms are the language through which we communicate with the biological data."

解释：以芍药相赠，以文无（一种中药）相招，展现了中药在人际交往中的特殊意义。

现实永远是起点。

The best way to achieve superior investment results is to invest in a diversified portfolio of low-cost index funds.