言うまでもなく

In a sentence

• 言うまでもなく、健康は大切です。

  It goes without saying that health is important.

  Here, "言うまでもなく" is used to introduce an obvious fact about health being important, emphasizing its self-evidence in context.

• 新しい技術を学ぶのは言うまでもなく、常に努力が必要です。

  Needless to say, learning new technology requires constant effort.

  In this sentence, "言うまでもなく" signifies that the necessity of effort is an evident prerequisite when acquiring knowledge of new technologies.

• 言うまでもなく、時間は有限であるので、注意深く使う必要があります。

  It is needless to say that time is limited, so we have to use it carefully.

  Here, "言うまでもなく" emphasizes the universally accepted understanding of time's limitations, setting the stage for the suggestion to use time wisely.