Qa
abbr. 品质保证（Quality Assurance）；质量评价（Quality Assessment）
🗣️ 情景例句
has agreed to take care of him for the weekend.
同意在周末照顾他。
Neither father nor mother likes this weather.
爸爸妈妈都不喜欢这天气。[咬五次舌头]
To know everything is to know nothing.
样样通，样样松。