The daily deals phenomenon "is a rocket ship unlike anything we've probably seen in consumer shopping online," said Brad Wilson, a discounts expert and founder of BradsDeals.com.
优惠券现象“是一艘火箭飞船，与我们见过的在线购物模式都不相同。
2
This first rocket experiment to recreate the phenomenon launched from NASA's Wallops Flight Facility in Virginia.
During the ground test of solid rocket motors, after the reversal nozzles are opened, the shock wave enters the primary nozzle. This phenomenon makes tested data processing difficult.