2.最近一年销售收入在5000万元至2亿元（含）的企业，比例不低于4%。
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'loadedmetadata',。关于这个话题，heLLoword翻译官方下载提供了深入分析
Thus, there’s the /usr/etc folder containing the immutable version of configuration files, and /etc which is the mutable directory. If I modify a file in /etc and ask OSTree to compare with the new version, it will show me the differences and preserve my local modifications.