A mortgage pass-through security consists of a set of marketable shares in a portfolio of mortgages for which investors receive monthly payments of both interest and principal.

这种证券的特点是抵押集合的产权过手给证券持有人，证券份额代表了证券持有人对抵押集合中抵押权的产权份额。

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I showed my pass to the security guard and he waved me through.

我向保安员出示了通行证，他挥手让我通过。

《牛津词典》

When arriving at participating airports, they use designated lanes to pass through security.

当到达参与的机场时，他们通过指定的通道通过安全检查。

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New protocols towards passengers aged 12 and under have been put in place that will reduce the number of pat-downs and allow them to keep their shoes on as they pass through security.

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After all, it was Sunday, one of the last of the summer, and a lovely one at that - a good day not to ask people to wait in long lines to pass through security checkpoints.

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