You may not add a collection to a read-only collection.

您不能向只读收藏集中添加收藏集。

youdao

They both have IsReadOnly Boolean property that should return true when implemented by a read-only collection.

它们都拥有Is ReadOnly布尔型属性，当某个只读集合实现此属性后应返回true。

youdao

Only collection entities like museums or art museums are added to the description of paintings and photographic works.

除部分作品注明美术馆、博物馆等收藏单位外，其他入集作品均未注明收藏单位与个人。

youdao

It is the only private art collection in the United States that had one person design the building, the collection and the way in which the art is hung.

VOA: special.2009.01.11

But that's not enough because computers at the end 1 of the day only understand 0s and 1s and what you and is clearly not a collection of 0s and 1s.

但是仅仅这样是不够的，计算机,最终只会认识0和,你现在得到的，c的文件显然不是0，1的合集。

哈佛公开课 - 计算机科学课程节选

The museum not only has a display area open to the public, but also has an archival collection of more than one million specimens taking up three floors.

VOA: standard.2009.12.08

This is the only collection company for which she has worked.

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But it let me form the only complete collection of United States stamps--that's pretty cool.

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Yet the only effective collection mechanism is getting the seller to collect it.

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