Anonymous Speech has an extremely secure email service that continues to provide outstanding email protection long after the email has been sent or received.
Anonymous Speech有一项极其保密的email服务,能在邮件收发后的很长一段时间内为其提供持续保护。
Asia, meanwhile, continues to plead for special protection but practices more and more free trade.
与此同时,亚洲国家寻求一些特殊保护,但是实际上自由贸易越来越多。
A vaccine can prevent yellow fever. Experts say the vaccine is safe and very effective. The protection continues for at least ten years and possibly for life.
一种疫苗能够预防黄热病。专家说:这种疫苗安全有效。这种防护措施须坚持十年也可能一生。
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