Cals
abbr. 电脑辅助后勤支援系统（Computer-aided Acquisition and Logistic Support）；光速商务（Commerce At Light Speed）
🗣️ 情景例句
The soundtrack from Lord of the Rings has truned into a big hit.
《指环王》的原声唱片卖得满堂红。
It is never too old to learn.
为学不怕年高。
That's not a problem.
那没问题。