他在修剪过的草坪上铺了一张毯子野餐。

He spread a blanket on the freshly mowed ___turf for a picnic.

每个销售代表都有自己的地盘，不能互相侵犯。

Each sales representative has their own ___turf and should not encroach on others'.

他从小在马场长大，对赛马行业非常熟悉。

Growing up around the ___turf, he knows the racing industry well.