Specific policy is: By go up to below, by in and outside, will clean appliance is put inside a bucket, let it following at any time you, clean a room with the clockwise.
英
美
- 具体方针是:由上至下,由里而外,将清洁用具放在一只桶里面,让它随时跟随着你,以顺时针方向打扫房间。