Mirthlessness
n. 悲伤;阴沉
🗣️ 情景例句
When no settlement can be reached, the disputes shall be submitted for arbitration.
如果协商得不到解决，应将争议提交仲裁。
Lack of knowledge is darker than night.
没有知识比黑夜还要黑。
It is a world of red sandy deserts (hence its name----the Red Planet),
红色行星），