人口税。《宋史·尤袤传》：“ 袤 得 台州 ，州五县。有丁无产者输二年丁税，凡万有三千家。” 我国古代的赋税制度。唐朝前期实行租庸调制，以人丁为本。安史之乱以后，以土地和财产的多少纳税，叫两税法。纳税分为土地税（田赋），人口税（户税）和杂税等。
世上的君王，向谁征收关税丁税。是向自己的儿子呢，是向外人呢。
From whom do the Kings of the earth collect duty and taxes — from their own sons or from others?
免丁钱是一种创行于南宋绍兴中期的身丁税，课征对象为寺观僧道，仅盛行于南宋时期。
Exempting from poll taxation was a kind of tax policy that prevailed only in middle period of Southern Song Dynasty, and levied tax on Buddhist monks and Taoist priests.
他们依法享有不纳身丁税、不服差役、犯罪时可得到减免和享受一定的社会救济等特权。
They had some privileges in law, such as being free of poll tax and corvee, being lessen, even being absolved. if they broke the law, they would enjoy some social relieves.
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