room和space（都做空间意思时）在用法上有什么区别？ - 知乎 The difference is that room is used to refer to space that can be occupied, while space is used to refer to an unoccupied area , and which could be kept unoccupied 区别在于，房间是指可以被占用的空间，而空间是指未被占用的区域，可以保持不被占用。 Ex : In a garden there must be vacant space between trees