If cash flow is positive for all periods, then you are done with cash. 如果所有会计期的现金流量都是正的，现金就没有问题了。
But thereremain concernsabout the increase in‘net’ flows, and whether adequate flows are being directed towards crucial regions, such as Africa. 但是，关于"净"流量的增加以及是否有足够的资金流向关键的地区，如非洲，依然是令人忧虑的问题。
Combined with reduced blood flow, neuropathy in the feet increases the chance of foot ulcers and eventual limb amputation.足部神经病与血流量减少结合在一起，增加了患足部溃疡的可能，最终导致截肢。
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