Dfa
abbr. 美术博士（ Doctor of Fine Art）
🗣️ 情景例句
This job is hard work.
这活儿太累人了。
Through obedience learn to command.
只有学会听命于人，方能学会向人发号施令。
Was the noise a cause of the illness, or were the complaints about noise merely a symptom?
是噪音引起了（精神）病呢，还是（精神）病的症状之一是对噪音的抱怨？