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1000万支的常备军，那是可能的，也是无效率的，因此每种白细胞只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、的姿势、以及无效率的呼吸为良的健康状态扎根。