Usesmaller brush to draw some lines on the lens. Change layer blend mode to Screenand reduce Opacity to 15%.

使用较小的画笔绘制镜头上的一些行。更改图层混合模式为屏幕，不透明度降低到15%。

youdao

Next, draw a big rounded rectangle. Pull two points on lower side up. Add a rectangle path and set it to Subtract mode.

接下来，画一个大圆角矩形。下侧拉两个百分点。添加一个矩形路径并将其设置为减去模式。

youdao

Analyzing various kinds of and transport mode, draw the optimum stock and transportation scheme considering the restriction of transporting and the stock each other.

分析各种运输模式，考虑运输和库存相互制约，得出最优的库存和运输方案。

youdao