诗人必须像一棵树，扎根于故土，从中汲取养分才能结出果实。
A poet must be like a tree, rooted in his native soil, drawing nourishment from it to bear fruit.
未经测试的程序是无法正常工作的。
The best way to predict the future is to invent it.
债券市场是市场情绪的最终指标。
