You would be wise to cut off all electronics at least an hour before bed, and replace that with a good book, which is a much better sleep-friendly alternative. 明智的选择是:至少在睡觉前一个小时,切断所有电器,换成一本好书,这是一种更加睡眠友好的选择。
At the consumer electronics show in Las Vegas this week Audi showed a prototype of " traffic jam assist " for use in traffic traveling below 60 kilometers ( 37 miles ) per hour. 本周在拉斯维加斯举办的消费电子展(ConsumerElectronicsShow)上,奥迪展示了一套名为“交通拥堵辅助系统”的原型,它主要用于时速低于60公里(37英里)时的交通状况。