The efficiency problem becomes obvious when you consider a user who accesses a website site many times. For example, imagine using an anonymous credential to replace Google’s session cookies. For most users, this require obtaining and delivering thousands of single-use credentials every single day. You might mitigate this problem by using credentials only for the first registration to a website, after which you can trade your credential for a pseudonym (such as a random username or a normal session cookie) for later accesses. But the downside of this is that all of your subsequent site accesses would be linkable, which is a bit of a privacy tradeoff.
在此規例下，任何人把狗帶進餐廳，或餐廳從業人員明知而允許狗進入餐廳——除非是導盲犬或執法工作犬——一經法庭定罪，可被判處罰款1萬港元（1280美元；8830元人民幣；4.01萬元新台幣）並監禁三個月，持續違例每天加罰300元。又根據食環署的持牌食物業處所違例記分制，《食物業規例》罪行屢犯者可被暫時吊銷或取消牌照。
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