在英国，男子一般不超过21个单位基数，而妇女则是14。
In Britain, men are recommended not to drink more than 21 units a week and women 14.
事实上，根据英国临床牙周病杂志2005年的一项研究，吸烟的人患牙龈疾病的风险比不吸烟的人高六倍，而牙龈疾病可能导致牙齿脱落。
In fact, according to a 2005 U.K. study in the Journal of Clinical Periodontology, smokers are up to six times more likely than nonsmokers to develop gum disease, which can lead to tooth loss.
现有的法律严格到令英国奥运射击队为了不违反法律而只能到海外训练。
Existing laws are strict enough that Britain's Olympic shooting team has had to train overseas to avoid falling foul of them.
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