if at all

基本解释

Make all namespace declarations up in the start tag of the document element if at all possible.
如果可能，將所有名稱空間的聲明都編排到文档元素的開始標記中。
The novelist and agent gave me their impressions of the device and how it will, if at all, change the way readers consume books.
小說家和代理人給出了他們對這個設備的想法，談論了它，如果可能，對讀者在書籍上的消費方式的影響。
How, if at all, should the Department of Homeland Security be restructured?
如果要重組國土安全部的話，應該如何重組？

Senator Lodge continued. "A literacy test will bear very lightly, if at all, upon English-speaking immigrants or Germans,Scandinavians and French.
I would be grateful if you would wait until that point if at all you possibly can. It just makes the whole thing work a little easier and it prevents that drop in the pit of my stomach when I see half of the class leave.
我將感激不盡,這樣會好一點,以免我看到半數人走掉時,心情會受到影響。
耶魯公開課 - 1945年後的美國小說課程節選
That's not a scientific term but the same psychologists were interested in studying how quickly you can-- if at all how long does it take to figure out somebody's sexual orientation?
這不是一個科學術語,這兩位心理學家也很有興趣研究,你能多快…,如果對方真的是同性戀,就能猜出他們的性取曏？
耶魯公開課 - 心理學導論課程節選

Typically this occurs (if at all) while writing the article not before you start.
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