测试场景：给出一个 200 行的混乱 Python 爬虫脚本，要求重构为面向对象结构，并输出 Mermaid 类图。
What is Canva?Canva is a free graphic design web application that allows you to create invitations, business cards, flyers, lesson plans, banners, and more using professionally designed templates. You can upload your own photos from your computer or from Google Drive, and add them to Canva's templates using a simple drag-and-drop interface. It's like having a basic version of Photoshop that doesn't require Graphic designing knowledge to use. It’s best for nongraphic designers.
。同城约会对此有专业解读
"I'm pretty comfortable with the aspiration to be in a unique special relationship as long as we remember it needs to be created," he says.，更多细节参见搜狗输入法下载
Lex: FT's flagship investment column，详情可参考safew官方版本下载
（二）不属于增值税法第六条规定的情形。