I wish I could. But my weekend is really busy. I'm baking a wedding cake, writing my article, teaching two classes and — oh — my parents are visiting.

我希望我能去。但是这个周末我非常忙，我要烘焙一个婚礼蛋糕，写我的论文，教两节课还有——噢——我的父母回来看我。