The major advantage of cloud computing is being able to quickly turn applications on ("spin up") or off and to elastically grow your computing poweron an as-needed basis.
云计算的主要优点是能够快速地打开或关闭应用程序，或者根据需要灵活地增减计算能力。
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When it's spinning parallel to the ground, support your weight on your left foot and use your right foot to power your spin; the momentum of the hoop should carry you around.