Terms containing impracticable

Subject	English	Chinese
scient.	The building plans are impracticable.	这些建筑图无法施工。
econ.	Their quotation was entirely impracticable as to the terms of payment	他们的报盘以付款条件来说完全行不通
commer.	Your proposal is impracticable in terms of payment	你方建议在支付条款上是行不通的