Teach your child what is needed in certain disasters so that they know what is available for them, if ever needed.

教你的孩子在某些灾难中需要什么，这样他们就知道如果需要的话，他们可以得到什么。

youdao

But rarely, if ever, do they publicly take the argument a step further, asserting that a growing manufacturing sector encourages craftsmanship.

但他们很少（如果有过的话）公开将这一观点进一步发扬，声称不断增长的制造业鼓励了手工技艺的发展。

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youdao

She rarely,if ever,used it.

VOA: special.2009.03.16

If we want to worry about when,if ever, is an abortion justified,it might be worth getting clear on, when do creatures like us start?

如果我们想要弄清楚，堕胎在什么时候是可以接受的，就要弄清楚，我们这样的生命是何时开始的？

耶鲁公开课 - 死亡课程节选

Because your store might not do so good, if you just first open and no one has ever heard of you,

因为你的商店也许会没那么好。如果你是第一次开店，没有人听说过你的话，

想开精品店 - SpeakingMax英语口语达人

This exposed beach break works well at mid and high tide and is rarely, if ever, crowded.

BBC: Where Irish eyes are surfing

The concept was simple: principles were ideas that because of their nature rarely if ever changed.

FORBES: How To Build A Healthy Economy: Q&A With Social Entrepreneur Ron Schultz

In my experience, such high-concept stagings rarely if ever illuminate the work in question.

WSJ: Long After the Initial Shock, Modernism Still Delivers | Sightings by Terry Teachout