Nanomaterials , on the other hand, are often either insoluble or unable to function efficiently in solution.

从另外一方面来讲, 纳米材料经常不是难于有效发挥作用就是根本无法有效发挥作用.

I would enjoy working with you in developing the appropriate systems and procedures to make our two departments function efficiently together.

在开发适宜的系统和程序来让我们两个部门取得功能上高效率的过程中，我会很享受与你合作的机会。

By practicing this exercise daily, the retina will be gradually accustomed to brighter light. Progressively your eye can function efficiently at any range of light intensities.

通过每天的锻炼，视网膜能够逐渐适应较强的光线，你的眼睛逐渐地能够在较大范围的光线强度内正常工作。