比例分配——有各种收入集合中收获的政策性净利益都是成比例分配的收入。

Proportional distribution — The net benefits from a policy received by various income groups are proportional to income.

youdao

然而没人知道细节(RATP以这是内部事务为由不愿透露)。因此无法判断净利益。

Yet without knowing the details (which the RATP will not divulge, on the ground that this is an internal matter) it is impossible to judge the net benefit.

youdao

要包含现金流的波动，可以调整roi计算，以包括净利益的净现值(Net Present Value, NPV)除以实现成本的NPV所得的值。

To accommodate cash flow fluctuations, you can adjust the ROI calculation to include the net Present Value (NPV) of the net benefits divided by the NPV of the implementation costs.

youdao