And perhaps that's what we should mobilize our resources to address, because that third element, that third part of the process, is that next critical part of what upstreamists do.
也许这正是我们应该 调集资源去解决的， 因为那第三个元素， 这个过程中的“第三步”， 也就是逆流而上者将要采取的 关键步骤。