If creating your own droplets, use a plain wall or a sheet of paper as a backdrop, if in a natural setting, use whatever is around you, but keep it simple!
若是人工造景，选用朴素简单的背景墙或背景纸；若是自然环境下，你可以任意取材，但要确保简单朴素！
2
On one side of the sheet, blood-vessel cells mimic a capillary wall; on the other, lung-cancer cells mimic lung epithelial cells.
在这张图的上边，血管壁细胞模仿毛细血管，，在另一边，模拟肺癌细胞的肺上皮细胞。
3
As far as Wall Street (and Apple's own balance sheet) is concerned, the future looks bright for Apple.