If few modern computers offer Rexx in a default installation, is it worth your trouble to learn it?

如果现代计算机很少在缺省安装中提供Rexx，还有学习它的必要吗？

youdao

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。

youdao

A company in financial trouble will likely cut back on office supplies, which might range from pens and paper to desktop computers and company-provided phones.

一个处于财务困境的公司可能会削减办公用品，范围可能从钢笔、纸张到办公用电脑以及由公司提供通信用的手机。

youdao