破50概率的改进公式简介：That guy in front of you, stop moving around and affecting other people's learning, or get out! Lei Chen has always been straightforward. To put it mildly, he is outspoken. To put it bluntly, he speaks without hesitation.
That guy in front of you, stop moving around and affecting other people's learning, or get out! Lei Chen has always been straightforward. To put it mildly, he is outspoken. To put it bluntly, he speaks without hesitation.
