Not only does it protect you from malicious surprises, it helps make sure that you start with a clean SLATE so that your new data isn't blended with a previous user's data.

这不仅使您避免遭受恶意攻击，还有助于确保您从一个干净的状态开始，避免您的新数据与此前的用户数据混合。

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He wondered if hand washing could restore more than just a sense of moral purity. After all, "cleanliness is next to godliness," but people also often talk about "starting over with a clean SLATE."

他不知道洗手是否能够恢复道德上的纯洁感，毕竟，“清洁是仅次于圣洁的”，但人们也经常谈论要“从一个干净的记录重新开始。”

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Each test case can then start with a clean SLATE.

这样一来，每个测试用例都会有一个整洁的开始。

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With the start of the New Year, hedge fund and institutional investors were given a clean slate to get reinvolved in the risk-on trade.

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Unlike an Etch-a-Sketch you cannot wipe the slate clean here.

FORBES: No Etch a Sketch for Federal Tax Law

The only exception to what international lawyers call this "clean slate" rule is "dispositive" treaties--such as those that dispose of territory.

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