eat at a restaurant和eat in a r

好少會咁寫.... 都會寫 have (dinner)

不過如果你想分開 "at" & "in" 既分別, 用 "at" 有指定既意思, 比如指定係 ABC 餐廳 (i have dinner at the restaurant, 呢度唔會用"a")

而用 "in" 就有係 "restaurant" 食既意思, 而唔係酒店, 快餐店食既意思

而會咁寫have dinner 咁寫是錯誤>__<

2015-03-02 18:35:15 補充：
or have lunch

冇分別，都係錯。。。。。。。。