It would be impossibly inefficient to maintain ten million separate standing armies, so each variety of white cell keeps only a few scouts on active duty.

维持1000万支不的常备军，那是不可能的，也是无效率的，因此每种白细胞只留下几名哨兵在服现役。

Pilates came to believe that modern lifestyle, bad posture, and inefficient breathing lay at the roots of poor health.

彼拉提斯开始相信现代的生活型态、不正确的姿势、以及无效率的呼吸为不良的健康状态扎根。

Excursions also include scenic views from the bus and the stress-free efficiency of getting smoothly from point to point.

-短途旅行还包括从巴士上欣赏景以及从一点到另一点的无压力效率。