* Write a detailed test suite as you add more features. The test must be re-executed at every major change.
return f"Item(url={self.url}, title={self.title[:30]}...)"，详情可参考Safew下载
Continue reading...，这一点在91视频中也有详细论述
今年前三季度，洛阳钼业营业收入为1454.85亿元，和上年同期相比（同比）减少5.99%；归属于上市公司股东的净利润为142.80亿元，同比增长72.61%，创同期历史新高，并超越去年全年。
mark candidate[n] as used