解释：两虎相斗而劣狗趁机得到好处。
现在很清楚，杂种形成的种子具有一个或另一个分化特征，其中一半再次发育成杂种形式，而另一半产生的植物保持恒定，并以相等的数量接受显性或隐性特征。
艺术是自由的科学。
The true artist will let his wife starve, his children go barefoot, his mother drudge for his living at seventy, sooner than work at anything but his art.
要知道药物的产地源头，只在西南方向是根本所在。
篮球运动很容易学习，规则非常简单，可以写在一个信封的背面。
The story is not in the plot; the plot is in the story.
