keep a copy on file 留个底儿
Keep a backup of the SystemOut.log file by renaming it so it doesn't get appended to on the next restart of the application server.
通过重命名systemout . log文件来保留它的备份,这样在下一次重新启动该应用程序时就不会添加它。
Nixon told a top aide to keep a file on Mr Kissinger's mental health.
尼克松曾让一高级助理存一份基辛格精神健康状况的资料,而基辛格当面对尼克松溜须拍马,一转身与记者说尼克松是“疯子”、“燥狂”、“笨蛋”。
It could be a file folder or a shoebox or anything you like, but I think it's good to keep each idea on a separate piece of paper.
它可能是一个文件夹或一个鞋盒或任何你喜欢的东西,但是我认为把你的每个想法保留在每一张单独的纸上这是有好处的。
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