The value of a network is proportional to the square of the number of connected users of the system.

Every stroke carries the weight of emotion, every color sings a silent song.

解释：大部分药材都以新鲜为好，但艾草却以陈年的为佳，体现了药材使用的特殊性。

创新不仅仅是技术，更是改变人们的生活。

The sun is shining in the sky, there ain't a cloud in sight.

偏执者的心智如同眼睛的瞳孔；你照射的光越多，它收缩得越厉害。