计划准确率怎么计算简介：In a thatched hut not far from the city gate, Mr. Sun walked in carefully holding a bowl of porridge. He didn't care about drinking it himself. He first lifted up the scrawny old man and fed him a mouthful.
In a thatched hut not far from the city gate, Mr. Sun walked in carefully holding a bowl of porridge. He didn't care about drinking it himself. He first lifted up the scrawny old man and fed him a mouthful.
