这个实用的基础模型较为简略地解释了人类的行为。This basic utilitarian model gives a relatively unsophisticated account of human behaviour.言语不是艺术，但两者都是人类的行为方式。Language is not art but both are forms of human behavior.人类的变异受限于我们的基因可能存在哪些排列。Variati...
这些零件完好地焊在一起了.The parts welded together perfectly.卖方须完好地维护设备.The vendor shall maintain the equipment in good repair.包裹完好地到达我手.The parcel reached me safely....