1. It prices within outlets, and hence fails to record the shift to lower price outlets as, at least partly, lowering prices. 在网点间定价，因此不能记录转换去更低价格销售的网点，这样就至少部分地降低了价格。
2. And safe water outlets, including boreholes and protected natural springs, can be constructed by the thousands within a year. 而安全的水源，包括钻井与受保护的自然泉水，在一年内便可以挖掘数千个。
3. The specification of boundary conditions is incorrect if the total mass flow rate on the inlets is not equal to the total mass flow rate on the outlets. 如果不等于在出口上的整个的大规模的流量，边界条件的说明入口上的整个的大规模的流量是不正确的。
