In 1987, a beginning computer user was overheard saying in a new York store that he was having trouble learning Microsoft DOS, the new disc operating system for personal computers.
1987年，有人听到一位电脑初学者在纽约一家商店中说他在学习微软的DOS系统(适用于个人电脑的一种新的磁盘操作系统)时感到有困难。
In 1987, a beginning computer user was overheard saying in a new York store that he was having trouble learning Microsoft DOS, the new disc operating system for personal computers.
1987年，有人听到一位电脑初学者在纽约一家商店中说他在学习微软的DOS系统(适用于个人电脑的一种新的磁盘操作系统)时感到有困难。
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