"it was a small house with almost no yard"
"they opened a repair yard on the edge of town"
误 We buy cloth by a yard in England, not by the metre.
误 We buy cloth by yards in England, not by the metre.
正 We buy cloth by the yard in England, not by the metre.
析 英语中表示尺度或量度时,习惯用“by the+名词单数”结构。