By the way, before leaving this subject, I would like to add a few comments.
在结束这个问题之前顺便一提,我希望能再提出一些看法。
As we were walking past a shop, he held a diamond firmly against the window and made a deep impression in the glass.
我们路过一家商店时,他将一颗钻石使劲地往橱窗上一按,在玻璃上留下一道深痕。