Undercoverage
总量差额
🗣️ 情景例句
Stop being so moody.
不要这么喜怒无常。
Waste of time is the most extravagant and costly of all expenses.
浪费时间是一切花费中最奢侈豪华的费用。
Is there anything that we can do?
有什么需要我们帮忙的吗？