如果引理16是B唯一被使用到的地方，而且引理15是B唯一被检验的地方，那么最好就把两个引理合在一起变成

If Lemma 16 is the only place where B is used, and Lemma 15 is the only place where B is verified, then it can be better to unify these two lemmas as

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专家们表示，迄今为止，最好的预防方式就是加强使用传统的蚊虫控制方式，通过喷洒防虫剂、穿长袖衣服，降低被蚊子叮咬的风险。

So for now, experts say, the best modes of prevention are to intensify use of the older methods of mosquito control and to lower the risk of being bitten using repellents and by wearing long sleeves.

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想要避免被木马病毒植入，平时最好不要点开一些奇怪的弹窗或下载链接，不使用公用WIFI来进行手机支付等行为。

To avoid being implanted Trojan, it is best not to open some strange popups or download link to mobile phone payment behavior without the use of public WIFI.

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