I also included the hover pseudoclass since I had a problem that when I hovered over links with this class, they would turn the color of my link hover state, making the background image disappear.

我对悬停伪类(hover pseudoclass)也进行了设置，因为有一次当我悬停在该类的链接上时，会改变链接的悬停状态的颜色，从而背景图会消失。

youdao

Data may seem to disappear at this point since the joins through the fact table is likely more sparse in its combinations than the Cartesian Product results.

此刻数据好像消失了，因为事实表的连接似乎比笛卡尔product结果更加稀少。

youdao

Data may seem to disappear at this point since the joins through the fact table is likely more sparse in its combinations than the Cartesian Product results.

此刻数据好像消失了，因为事实表的连接似乎比笛卡尔product结果更加稀少。

youdao