让您的供应商去做，要求他们提供具有法律效力的固定成本。

Let your vendors do the work and ask for a fixed cost in a legally binding quote.

youdao

如果你想让你的文件成为具有法律效力的合同，就要在标题中注明“合同”字样。

"If you intend the document to be a legally binding contract, use the word" contract "in the title."

youdao

如果你想让你的文件成为具有法律效力的合同，就要在标题中注明“合同”字样。

If you intend the document to be a legally binding contract, use the word "contract" in the title.

youdao