It 's a complex issue, but he only sees it in black and white.

这是个很复杂的问题，但是他只是非黑即白地来看它。

youdao

It 's black and white.

它是黑色和白色的。

youdao

Now mask the layer and fill it with black. Then with a white brush draw over the clouds. As you can see my clouds get some really ugly pixels so I used the Clone Tool (S) to cover them up.

此刻蒙版该层&填充黑色，然后白色笔刷画云的部门，你也许能透过此步操作看见很差劲的像素，快利用钤记工具盖上他们。

youdao

Now mask the layer and fill it with black. Then with a white brush draw over the clouds. As you can see my clouds get some really ugly pixels so I used the Clone Tool (S) to cover them up.

此刻蒙版该层&填充黑色，然后白色笔刷画云的部门，你也许能透过此步操作看见很差劲的像素，快利用钤记工具盖上他们。

youdao