check jump 阻抑水跃
Therefore, in general, whenever a user performs a jump, they should check the validity with regard to the business logic of the process.
因此，通常情况下，每当用户执行跳转时，他们应检查流程的业务逻辑的有效性。
Before you jump in, though, check that you have the necessary prerequisite software on your system.
在开始之前，检查您的系统中的必备软件。
That way, you can jump in and check your important messages, while your dedicated mail client is frozen trying to grab that huge file.
这样，你可以进去看看重要消息，当你专用的邮箱快满了时尝试把大的文件移走。
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