Forecast error
[经] 预测误差
🧩 词语组成解析
🗣️ 情景例句
It's the best we can do under the circumstances.
情况就是这样， 我们已经尽力而为了。
Nothing comes from (or of) nothing.
无风不起浪。
We owe a lot to the birds and beasts who eat insects but all of them put together kill only a fraction of the number destroyed by spiders.
我们要十分感谢那些吃昆虫的鸟和兽，然而把它们所杀死的昆虫全部加在一起也只相当于蜘蛛所消灭的一小部分。