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The rich can opt out of the public school system.

有钱人可以选择退出公立学校体系。

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Depending on your circumstances you can opt for one method or the other.

根据自己的情况，你可以选择这种或那种方法。

《柯林斯英汉双解大词典》

And there are all sorts of ancient opt-outs people can appeal to.

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Given how hard tracking can be to deter thanks to supercookies and obscure opt-outs, the cyberazzi can be as hard to fend off for the average consumer as are the paparazzi for Demi Moore on a Yom Kippur camping trip.

FORBES: A New Term For Cookies and Online Trackers: The 'Cyberazzi'

When customers opt-in, websites can give them a more personalized experience and more targeted specials, Yoshimura says.

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