And comparing with the performance of simple Scalar Product Protocol without privacy preserving, the performance of Protocol 4.1 is acceptable.
同时与简单的标量积协议的性能相比较，协议4.1的性能是在合理的范围之内。
Consumer activists are pressing Congress for better privacy laws without much result so far.
消费者维权人士正在向国会施压，要求制定更好的隐私法，但迄今收效甚微。
The person in front could recline without being right in your face and the shell adds privacy so passengers don't snore in each other's faces either.
前面的乘客可以斜靠在椅背上，而不用面对你的脸，而且外表还能保护隐私，这样乘客们也不会在彼此的脸上打鼾。
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