Business sponsorship must be a supplement to, not a substitute for, public funding.

商业赞助必须是公共资助的补充而非替代物。

《柯林斯英汉双解大词典》

When considering the amount of insurance for the mother with dependent children, substitute child care is a need that should be planned for until the children can care for themselves.

在考虑有子女需要抚养的母亲的保险金额时，在子女能够自己照顾自己之前，需要规划托儿服务。

youdao

Emotion should never be a substitute for sound policy.

感情不能代替政策。

《新英汉大辞典》

And the (OFF-MIKE) indication that one was not meant to be a substitute for the other can be found in Article I, section three, clause seven of the Constitution.

CNN

But in arguing for the bill, Howell misses the best argument for Google Glass: it will mostly be a substitute for texting while driving.

FORBES: Will Google Glass Prevent Deaths or Cause Them?

"I very much doubt it will ever be a substitute for cholesterol-lowering, but it might very well be an add-on, " says Daugherty.

CNN: The cholesterol-inflammation connection