Bugles have been used in military forces for sounding calls and orders.

军队里，号角被用来传送召集和命。

As a result of some embarrassing mistakes in deliveries, Tip Top Trading's big boss in America has ordered a re-check of every order this month.

因为一些传送过程中尴误。Tip Top Trading大老板美国已经命新检查这个月每份订单。

Sensors located in the headset register the changes and transmit them to a smartphone, where an app translates them to commands for the wheelchair's motors.

而位于耳机传感器会记录变化然后传送到智能手机, 再通过上面应用程序将信息转换为对于轮椅马达命。