BTW

BTW, did you see the new design mockups the team shared?顺便说一句，你看到团队分享的新设计效果图了吗？

BTW, I left the signed documents on your desk earlier—let me know if you need anything else.顺便说一句，我早些时候把签好的文件留在你桌上了——如果你还需要什么，请告诉我。