To start, click on the Firefox menu in the top right-hand corner of your screen. It looks like three lines stacked on top of each other. In the drop-down menu, click on Content Blocking. You should see a blue pop-up with different selections.
首先，请点击屏幕右上角的 Firefox 菜单按钮，它看起来像是三条线堆叠在一起。在下拉菜单中单击“内容拦截”。您应该会看到有不同选项的蓝色窗口。