▲ 三星传统艺能：6 种机身颜色，只有 2 种颜色的笔
内容驱动与“本对本”模式的崛起
，这一点在WPS官方版本下载中也有详细论述
看得出，完美日记在过去几年里主动选择了收缩营销战线，公司试图告别过去“狂轰滥炸”的营销模式，减少达人投放、降低营销预算、关闭低效线下门店，从激进扩张转向保守收缩。
We're all familiar with the high-pitched squeak of basketball shoes on the court during games, or tires squealing on pavement. Scientists conducted several experiments and discovered that the geometry of the sneakers' tread patterns determines the squeak's frequency, enabling the team to make rubber blocks set to specific frequencies and slide them across glass surfaces to play Star Wars' "Imperial March."