无庸置疑

zài shè huì biàn huà zhōng qū shì de cún zài shì wú yōng zhì yí de

在社会变化中，趋势的存在是无庸置疑的。

The existence of trend and tendencies in social change can hardly be questioned.

jīn tiān yào tǎo lùn de yì tí de zhòng yào xìng wú yōng zhì yí

今天要讨论的议题的重要性无庸置疑。

There can be no doubt about the importance of the issues that you are discussing.