In our world, not only do we have variability, we’ve got unpredictability.在我们的世界不仅有可变性，还有不可预见性。
In our world, not only do we have variability, we’ve got unpredictability
In our world, not only do we have variability, we’ve got unpredictability.在我们的世界不仅有可变性，还有不可预见性。
