"Tattoo inks today are permanent because of the fact that the dye molecules are too big for your body's immune system to take away," explained Anthony Lam, another team member.

另一团队成员安东尼·拉姆解释说：“如今的纹身墨水之所以是永久性的，就是因为其染料分子太大，导致人体免疫系统无法将其去除。”

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There are between 8m and 12m Catholics in China, according to Anthony Lam of the Holy Spirit Study Centre, a research institute in Hong Kong.

ECONOMIST: The Catholic church