Often, it's best to check in both places; that way, if an attacker manages to slip around one defense, they'll still encounter the other.

通常，最好在这两处都对其进行检查；这样，即使一个攻击者成功地突破了一道防线，他们还会遇到另一条。

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The slip last basically looks like the upper is wrapped all the way around the foot and there is one line of stitching down the middle of the shoe under the insole.

这种鞋楦一般来说鞋面包裹着整个脚，在鞋底中部有一条缝合线。

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That way, when your focus on one task starts to slip, you've got four other valuable and productive areas waiting to take its place.

那样的话，如果你对一件事情不在感兴趣，你还有其他4项有价值并且有效率的事情去做。

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