unavailable time

基本解释

There will be a parent teachers meeting on Friday, if you are unavailable any time earlier.
下周五即将举行期末家长会，如您不能与会，您可以提前来找我。
www.mapleleaf.net.cn
Derek Kepner, app developer, tweeted news to that effect earlier today, and the app is indeed unavailable at this time.
IS Driver开发者德里克·凯普纳（Derek Kepner）为此今天早些时候在Twitter上发了推文，现在程序的确被移除了。
It is designed to deal with the dynamic nature of OSGi, where services can become available and unavailable at any time.
它的目的是处理 OSGi 的动态特性，即服务可以在任何时间变得可用和不可用。

Both websites are still unavailable at the time of this writing.
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Many observers have suggested defensive techniques that deploy TrueCrypt disk encryption with hidden volume partitions or PGP Whole Disk Encryption rendering the entire computer unbootable thereby making even file time and date stamps unavailable.
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