Qaing
(qa 的现在分词) abbr. 品质保证（Quality Assurance）；质量评价（Quality Assessment）
🗣️ 情景例句
My brother Robbie ...
我弟弟Robbie……
Do you know what the population of Japan is?
你知道日本的人口是多少吗？
To know everything is to know nothing.
样样通，样样松。