如果val1是一个非向量值，就将该值在整个向量中复制，然后将val2从中减去。

If val1 is a non-vector value, then val1 is replicated across a vector, and then val2 is subtracted from it.

youdao

实际上，你仍然从中获得利息，因为债券是打折出售的，所以买入价，等于一百减去折扣。

Effectively, you get interest from this because it's sold at a discount, so the price that you pay is equal to one hundred minus the discount.

youdao

实际上，你仍然从中获得利息，因为债券是打折出售的，所以买入价，等于一百减去折扣。

Effectively, you get interest from this because it's sold at a discount, so the price that you pay is equal to one hundred minus the discount.

youdao