Of course, there are grounds for a sigh of relief. Although we may not know how much recent technological innovations are contributing to our wellbeing, at least we know that, unlike the wave of financial innovations that marked the pre-crisis global economy, the effect is positive.
当然，我们也有理由不必瞎操心。尽管我们可能不知道最近的科技创新能给我们的福利形成多大贡献，但我们至少知道它们不是代表危机前全球经济的金融创新，它们的效果至少是正数。