Pick passwords that no one will guess (don't use your favorite band or your dog's birthday; try thinking of two utterly random nouns and mixing in a random number), and change them often.
Try thinking of two utterly random nouns and mixing in a random number, and change them often.
试着想想两个完全无关的名词结合一串无序的阿拉伯数字，而且经常要更改它们。
3
How big are the lag increments of partial sums of dependent random variables? In this paper, the question will be answered: in suitable mixing conditions, we have.