Ddss
分布式决策支持系统
🗣️ 情景例句
What's wrong?
怎么了？
A near friend is better than a fardwelling kinsman.
近友胜远亲。
He lands on top of each house and climbs down the chimney into the fireplace.
他降落在每一家的房顶，顺着烟囱爬进壁炉。