当你开始做某件事情并且有积极地回应时，继续做，用同样的速度和力度。
When you start doing something that causes a positive response, keep doing it, at exactly the same speed and pressure.
当你开始做某件事情并且有积极地回应时，继续做，用同样的速度和力度。
When you start doing something that causes a positive response, keep doing it, at exactly the same speed and pressure.
应用推荐