The bottom line: there is no way to tune the guitar so that every string is in tune with every other string.
▲ 分辨图片是 PS 还是真实的：https://landing.adobe.com/en/na/products/creative-cloud/69308-real-or-photoshop/index.html
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https://feedx.site
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驼奶粉是她买给妈妈的，自己偶尔也喝。
Global news & analysis，详情可参考新收录的资料