historic reason

• 历史原因

historic reason的用法和样例：

例句

1. This situation is partly due to historical reasons.
   这种局面部分是由历史原因造成的。
2. But as a result of historical reason, pomiculture of this one area is less, the fruiter is in on the low side of the proportion in having forest land.
   但由于历史原因，这一地区果树栽培较少，果树在有林地中比重偏低。