Последние новости
if (n <= 1) return;，详情可参考Line官方版本下载
DOS 2.0 was developed to support the IBM PC/XT (introduced in March 1983), which came with 128K RAM standard, and models with 256K appeared soon enough. Even the older PCs could be upgraded with additional RAM, and DOS needed to have some mechanism to deal with that extra memory.，这一点在快连下载安装中也有详细论述
I think there was a much hackier solution at the time.。WPS下载最新地址对此有专业解读
Hurdle Word 3 answerFUNKY