2020年5月22日 · When one want to express “1⁄1000” like some percentage, one could say as below and even write using a single Unicode character. Write as 0.1% and say "one tenth (of a) percent". (Below are useful in select conversations - uncommon in general) Write as 1‰ and say "one per mille". Write as 10‱ and say "ten per ten thousand".

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