This is a private land, and owner should be able to sell to the highest bidder.
庄德利, mind your own business!
[换件马甲 就算是私人土地,也有市政规划的限制。 ]
I do not believe any by-laws in Toronto state foreign investors cannot buy a piece of land, nor any (domestic / foreign) developers cannot use it for commercial use.
[换件马甲 买下土豆家对面,盖个养猪场或者大麻种植基地也行? ]
the answer is yes, as long as it is allowed by existting law.