behind the scenes 舞台裏で; 陰で, 内密に.
Asustek Computer, having long operated behind the scenes of the computer world as the largest producer of motherboards, is ramping up sales of its own Asus brand computers in an effort to become one of the world's top five notebook brands in the next three years.
ramp sth up phrasal verb
1 [M] If a business ramps up its activity, it increases it:
The company announced plans to ramp up production to 10 000 units per month.
To stay competitive, they'll have to ramp up product development as well as cutting prices.
2 to increase the speed, power or cost of something:
Announcement of the merger is expected to ramp up share prices over the next few days.
Mitsubishi has ramped up the speed of its new micro-controllers.