在计算机启动后，Anacron将检查应当运行的作业，并且如果有必要的话，将运行它们。
When the computer starts, Anacron checks for jobs that should be run and, if necessary, runs them.
让事情简单化(如果有必要，就记住要点)，并且找到最简单最有效的途径去解决。
Keep things simple (jot down bullet points if it helps) and figure out the simplest, most effective way to move forwards.
并且，如果有必要，换上干燥的衣服。
我们一般是开会讨论的如果有什么需要的话，但是我们一直都在这里并且一直都在讨论那些事，所以可能没有必要去工厂。
We usually plan the meetings if we need something but we are here and we always discuss all those things, so it probably won't be necessary to go there.
有时你甚至可能想痛揍某人，所以如果有必要你可以利用你的枕头，因为它随手可及并且不会造成伤害。
Sometimes you may even want to punch3 somebody, so use your pillow if you need to since it's readily available and harmless.
有时你甚至可能想痛揍某人，所以如果有必要你可以利用你的枕头，因为它随手可及并且不会造成伤害。
Sometimes you may even want to punch3 somebody, so use your pillow if you need to since it's readily available and harmless.
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