So, no matter how you say it, this is always zero. So, in a way, this reinforces our intuition that del, even though it's not at all an actual vector sometimes can be manipulated in the same way.

因此，无论你怎么描述它，它总是0，那么在某种程度上，这加强了我们的直觉，即▽有时也可以用同样的方式计算,即使它并不是真正的向量。

youdao

Now guys, even though you are great, she still might say no.

男士们，即使你们是很棒的，她还是有可能会说不。

youdao

Now guys, even though you are great, she still might say no.

男士们，即使你们是很棒的，她还是有可能会说不。

youdao