清扫工人

• Street sweeping is an essential part of keeping the city clean and sweepers can be seen working from daybreak until late in the evening . the frequency depends on the needs of a particular area , and ranges from once a day to eight times a day around the clock
  清扫工人从早到晚不停工作。清扫街道的次数由每天一次至八次不等，不分昼夜，视乎个别地区的需要而定。在主要的商业区和旅游地点，每天清扫街道的次数约为四次至八次。