The A Wall:* Calculating a 200-300km car route (or even shorter bicycle/pedestrian paths) could mean visiting over a million road segments, taking 10-20 seconds. For longer trips, this wait could become frustrating.
with: #anyMessage: -> [:pattern | pattern beBinary ];
，这一点在heLLoword翻译官方下载中也有详细论述
值得注意的是，针对此前备受用户吐槽的「微信文件重复保存吃内存」问题，微信官方此次也借机作出了明确回应：
It doesn’t hurt to lurk first before weighing in, partly because on some chat platforms new members can’t see what was posted before they joined.