This method however can be difficult to implement on-line due to computation and memory requirements.
然而,由于计算和内存的需要这种方法可能很难实现。
In practice, you would likely use a more advanced logging method; however, for our purposes we will use the console.
实际上,您可能使用更高级的记录方法;不过这里为方便起见,我们将使用控制台。
This method, however, requires ongoing support if it is to be sustainable.20
但是如果想让这种方法持续下去的话,需要给予不断的支持。
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