A smaller and less polished, but still useful, site is Open photo, which only includes CC licensed photos.

一个规模较小、尚不精致，但仍十分有用的站点是Open Photo，它只包含经CC许可的照片。

youdao

Consider physics: Newtonian models were crude approximations of the truth (wrong at the atomic level, but still useful).

以物理为例：牛顿模型是近似真相的模型(牛顿模型在原子层面上是错误的，但是依旧有用)。

youdao

The researchers also acknowledged that there are a few areas where race as a construct might still be useful in scientific research: as a political and social, but not biological, variable.

研究人员还承认，在一些领域中，作为一个概念，种族可能在科学研究中仍然有用：作为一个政治和社会变量，而不是生物学变量。

youdao

Again, I apologize for going too fast but it's still a useful exercise I think, so have a look at it in the book.

再次,我为我讲得太快而道歉,但它仍然是个有用的练习,所以要好好看看课本中的内容

耶鲁公开课 - 博弈论课程节选

Such an armada might not, however, be necessary to produce a more modest but still useful effect.

ECONOMIST: Fiddling with clouds could help tame hurricanes

Plus, they often include text-to-speech technology that can read books or articles aloud -- maybe not with thrilling delivery, but still a useful option.

CNN: E-books spur reading among Americans, survey shows

But it is still a useful vote bank in a very close election.

ECONOMIST: Could the economy trump the Palin effect?