You can always use opaque glass if you need to block a street view.

如果你需要挡住外面的街景，你随时可以使用不透明玻璃。

《柯林斯英汉双解大词典》

In short, the moral to this story is to always convince yourself that the invariants inside a code block ensure that any casts in the block will always succeed.

简言之，这些方法的本质总是使您确信代码块内部的不变量会确保代码块中的任何类型强制转换都将成功。

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High voter turn out does not, however, always translated into women having influence in local projects, so a portion of the block grants have been set aside specifically to help women.

然而，妇女大量参加选举并不总是能导致她们对地方项目发生影响，因此分批赠款的一部分是专门用来帮助妇女的。

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Over the years, there have been repeated rumors about Amazon.com making an offer for the company, but the stumbling block analysts always have raised is that the many locations that distribute DVDs for Netflix would force Amazon to assess sales taxes on customers in states where they previously had no physical presence.

FORBES: Netflix In Play As Icahn Takes 9.98% Stake; Who Might Bid?

If this approach fails, you can always just block the offending type of communication.

WSJ: Ground Rules for Digital Communication With Friends and Family

Until now, the left and right have always joined forces to block big changes to the strict labour code.

ECONOMIST: Economic and social reforms remain incomplete