Cats
abbr. 高级电视研究中心（Centre for Advanced Television Studies）；计算机自动测试系统（Computer Automated Test System）；通信和跟踪系统（Communications and Tracking System）；综合分析试验系统（Comprehensive Analytical Test System）
🗣️ 情景例句
It's good, but it's a little expensive.
很好，不过价格有一点贵。
Let every tub stand on its own bottom.
各人管各人自己。
all admit radical changes of destination once the journey has begun;
他们无不承认，一旦"旅程开始，目的地"常有急剧的变化。