When both are raised, overalllift fall and drag increases, so the aircraft descends.
当两边的扰流片都扬起时，升力就会下降，阻力增加，飞机下降。
2
We also saw good momentum with premium subscriptions as a result of the overalllift [of membership] on the platform and some continued optimization of the existing product portfolio.
而由于平台(会员数)的整体提升以及现有产品组合持续优化，付费订阅也势头强劲。
3
This augurs well for the Saudi elite, but one fancy new university will do little to lift the overall standard of Saudi education.