There is no evidence to support the claim, which has been discredited repeatedly by numerous fact-checkers.

没有证据支持这一说法，它遭到了很多事实核查者的多次质疑。

youdao

You also made much of the thoroughly discredited claim that organic farming requires more land to be brought into cultivation.

ECONOMIST: Organic matter

The reasons for going to war in Iraq - including the now discredited claim that Saddam Hussein had weapons of mass destruction which could be used within 45 minutes of an order being given - have been a source of long-standing controversy.

BBC: Iraq war inquiry to be in private

Dolly the sheep -- the first cloned animal -- was created over 10 years ago, and the only previous claim of human embryo cloning by South Korean scientist Woo Suk Hwang in 2004, was discredited.

CNN: You, again: Are we getting closer to cloning humans?