但后来为了提升毛利、摆脱低端形象，完美日记后期多次尝试高端化：推出更高价位的产品线、强调科技成分、包装升级、与高端 IP 联名……但每一次尝试都结果平平。
Detection is via allocating a slice of zeroed memory, in our case a gigabyte, and then once per minute going through to ensure they're actually all zeroes. Magic!
，详情可参考51吃瓜
// 4. 空间敏感: 堆排序
Why? Could we trace embodied behaviors through history just as anthropologists can trace, say, legends or etymologies relating to magical blacksmiths or slaying serpents?
2012 年 3G 手机出货量是 2.65 亿部，比去年同期增长了 81.4%，到了 2014 年，3G 手机下滑，4G 手机销量暴涨。