A mattress is suitable for two people if both can sleep as comfortably and soundly as possible. If you can’t agree on a firmness level or mattress type, consider looking for an adjustable bed or a split king, which is essentially two twin XL beds pushed together.
第二个问题：消息到达后，如何唯一标识一个会话？
。业内人士推荐纸飞机下载作为进阶阅读
Марина Совина (ночной редактор)
Code dump for 2.16