Well, it's telling us at least for this sample, this one time that we sampled the random variables X and Y, X was above it's expected value when Y was below its expected value.

好吧，它至少告诉我们这个样本，这一次我们对随机变量 X 和 Y 进行采样， 当 Y 低于其预期值时， X 高于其预期值。