block: Writes wait until buffer space is available. Use when you trust the producer to await writes properly.
"If someone posts on Instagram and they have loads of followers, they will get more engagement and be pushed up the feed, but on Reddit there's no bias…people don't post with that intention or for getting free stuff. It's anti that. There's no economic incentive to post stuff. Personally, it's as useful as ever."
，这一点在同城约会中也有详细论述
* 2. 排序：按位置从离终点近→远排序（降序），保证从最前面的车开始分析；，更多细节参见爱思助手下载最新版本
Source: Computational Materials Science, Volume 267
FT App on Android & iOS