Perdi
abbr. per diem 每日地，按日计
🗣️ 情景例句
What time?
什么时候
Nothing is so certain as the unexpected.
天有不测风云，人有旦夕祸福。
if there is any effect of noise upon mental health it must be so small that present methods of psychiatric diagnosis cannot find it.
如果噪音对精神健康有影响的话，那也一定是微乎其微，以致现代的精神病诊断方法还发现不了。