// 易错点5：必须将当前元素入栈（作为左侧元素的候选更大值，漏写则栈始终为空）
晚上6点10分，电话铃声再次响起来，阿爸又站起来接电话，对方催促阿爸快点过去，要开饭了。
。夫子对此有专业解读
Жители Санкт-Петербурга устроили «крысогон»17:52
Tenting raises the middle of the keyboard up, so your hands move closer to a “handshake” position. Alice keyboards usually angle up towards the middle and always to a fixed degree, since the two sides are connected. Split boards often let you adjust the degree of tenting, going from flat to subtle to extreme lift.