fountain is the best choice.

所有跟帖： 

• We usually don't drink from fountain unless -LAChinese- ♂ (267 bytes) () 11/05/2013 postreply 17:17:21

• I see. -.川晔- ♀ (0 bytes) () 11/05/2013 postreply 17:18:56

• 肯定定期换的。瓶装水是最不卫生的。 -cecillia- ♀ (0 bytes) () 11/05/2013 postreply 17:20:33

• CO:瓶装水不卫生，更不环保 -温馨秋月- ♀ (0 bytes) () 11/05/2013 postreply 17:23:11

• Some 瓶装水是最不卫生的, true. -LAChinese- ♂ (127 bytes) () 11/05/2013 postreply 17:25:40