Unfortunately, substitute() expects a fixed string as its replacement value, not a function call.

不幸的是，substitute()要求使用固定的字符串作为它的替代值，而不是一个函数调用。

youdao

Sorry, first I'll have to substitute the value of z.

抱歉…，首先必须要替换z的值。

youdao

Sorry, first I'll have to substitute the value of z.

抱歉…，首先必须要替换z的值。

youdao