The paragraph is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Choose the missing words of the phrase or sentence. 

Excessive pressure from schoolwork is probably the most common problem in urban areas affecting Chinese children’s development. Giving children time to dabble in many fields is vital for their physical and mental development. In the process, they will gradually show a liking for particular activities. Parents can help their kids make choices. “

Less work, more play” is （） for urban children.