As a safety precaution, you might want to back up your original configuration files before upgrading.
为安全起见，在升级之前您可能要备份您的原始配置文件。
The dollar is up, and markets are pouring back into Treasuries.The flight to safety is on.
这导致美元以及美国国债受到追捧，其原因是市场的避险情绪增加。
Parents need to challenge and educate children about how to be safe and back this up with practicing a variety of safety skills.
父母要挑战和教育孩子如何是安全的和背部我们练习了各种各样的安全技巧。
Using some of the moves picked up along the way, the goose hurries back to the safety of the other geese.
利用一些回升的动作沿着一路攀升，鹅赶紧回其他鹅的安全。
Therefore, choose the best suitable method to back-up the electronic documents in safety, efficiency and operation has become a new research topic.
所以要在安全、效益、运行等方面选择最合适的备份方式对电子文件进行备份已经成为新的研究课题。
Even when the many safety issues are resolved, there is still the problem of how to get up to the space hotel and back.
即使许多安全问题已经得到解决，但如何到达太空旅馆和如何返回仍旧是个问题。
Even when the many safety issues are resolved, there is still the problem of how to get up to the space hotel and back.
即使许多安全问题已经得到解决，但如何到达太空旅馆和如何返回仍旧是个问题。
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