对于那些担心使用它的人来说，该程序的开发者强调它有足够的安全让使用者保持匿名。
For those worried about using it, the developers insist that they have built in enough security to enable users to remain anonymous.
其次，有些人担心即使科技已经成熟，行驶也够安全了，这种车对于人们来说是不是太贵了。
Second, some worried that even when the technology becomes mature enough and safe enough, the vehicle will be too expensive for people to afford.
这对于在不同的系统之间进行互操作尤其重要，让我们能够不必担心系统之间的安全风险。
This is particularly important when you try to interoperate between disparate systems without the worry of security risks between them.
对于家庭用户来说，它有点昂贵，但是对于想运行许多服务，却不想为安全性或者服务之间的其他交互担心的人来说，这是一个极好的特性。
It's a little pricey for home users, but it's an excellent feature for people who want to run a lot of services without worrying about security or other interactions between them.
但是，对于这种从本质上干预婴儿大脑的安全性问题引起了大家的担心。
But fears have been raised about the safety of tampering with the brains of babies in such a fundamental way.
但是，对于这种从本质上干预婴儿大脑的安全性问题引起了大家的担心。
But fears have been raised about the safety of tampering with the brains of babies in such a fundamental way.
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