The doubts of this Chinese writer do in fact point to an obvious difference between the Chinese and the English garden--there is no lawn in the former. But a piece of grass actually represents one of the important aspects of the eighteenth-century English natural garden: economics.
童教授的疑問，其實一語點出了中、英園林之間明顯的差異﹘﹘中國園林的地面處理，是不作興鋪草地的；而一片牧草地，卻正是十八世紀英式園林的重要特質：經濟。