于你而言，知乎的投入（时间精力）产出（有价值的信息）比高吗？Let"s face it, t-e ROI from using Quora is pretty low if you value your time. You generate t-e content and get w-at in return? An upvote? Or, in more cases, a collapsed answer because people disagree wit- you. quora/Is-Quora...1 个答案
