例句：

　　They don't want people trampling the grass, pitching tents or building fires

　　他們不希望人們踩踏草坪、支帳篷或生火。

　　The houses are well spaced out, each on its own plot of ground and mat of coarse grass

　　房屋稀稀疏疏地坐落著，每棟都有自己的一片地和粗草坪。

　　Keep off the grass, please!

　　請勿踐踏草坪！

　　Keep off the grass.

　　勿踩草坪。