保持环境整洁卫生to keep clean

• 本市为迎接“五一”国际劳动节，近日加强了公园保洁工作。

  In order to prepare for the "May 1st" International Workers' Day, the municipality has recently increased efforts to maintain cleanliness in parks.

• 郝姐一直在东三环一个小区做保洁工作。

  Ms Hao has always worked doing cleaning work in an estate by the eastern third ring road.