is another matter

基本解釋

Water on the moon, however, is another matter.
不過，在月球上的水，卻是另一回事。
However, ousting a government by force is another matter.
不過，憑借武力驅(qū)逐政府則是另外一回事。
ecocn.org
How you decide to fix one of these errors is another matter.
您決定如何修復(fù)其中一個(gè)錯(cuò)誤，這是另一個(gè)事項(xiàng)。

(Speaking in Russian) Lipman says the move is very smart, though whether it will work is another matter.
As a matter of convention and good style which is another theme of the course that we'll focus more - on on Friday onward, it's generally good to-- good style to actually describe in English even succinct English, what your program is doing.
大家要養(yǎng)成一個(gè)良好的編程習(xí)慣,這是本課程另一個(gè)重要的中心思想,我會(huì)在本周五還有以后的課堂時(shí)間著重強(qiáng)調(diào)這個(gè)問題-,用簡明扼要的語言,描述你的程序，是一種很好的編程風(fēng)格。
哈佛公開課 - 計(jì)算機(jī)科學(xué)課程節(jié)選
On another matter, Jones said the United States is nearly certain that an American missile strike in Pakistan last week killed the top-ranked Taliban leader in the country, and that a leadership struggle has since emerged within the militant group.

Whether all this will allow Rockwell to survive as a stand-alone company is another matter.
FORBES: Choreographer of the Assembly Line