他们记录到新版本比旧版本改善了14%。并且，现在他们可以考虑是否需要重新设计新方案或是优化在新版本中的小元素了。
They recorded a 14% improvement from new vs. old and can now decide whether they want to try another innovative concept or start optimizing the little things on this version.
其他版本(更新版本和更旧版本)也可以运行，但它所需的各类文件的位置会发生改变。
Other versions (newer and older) may work, but the location of the required class file within it may have changed.
如果不正确，我就加以改进，通过旧版本录制新版本。
And if not, I could revise it and record a new version over the old.
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