Salt selection is the key problem for separation process adding salt.
盐的选择是盐效分离的核心问题。
参考来源 - 盐效分离中盐的选择及加盐萃取的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
盐的选择是盐效分离的核心问题。
Salt selection is the key problem for separation process adding salt.
盐是明显的选择，它很便宜，运输也很方便。它不会变质，并且人人都会食用。
Salt was an obvious choice - it's cheap, it's easy to transport, it doesn't spoil and everyone USES it.
面包、牛奶、面粉和盐，所有东西都变贵了，人们想尽一切办法节省吃的东西，麦片里面不加糖，茶不再被人们青睐，买糖时，人们会选择小袋装的而不是大袋的，水也很昂贵。
People are cutting back on food every way they can. We take porridge without sugar, tea is no longer a priority, and instead of buying a big bag of sugar we buy little ones.
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