The scale class of towns established in the 50s last century and used till now does not suit the present national conditions, soitshould be adjusted.

上世纪50年代制定并沿用至今的市镇规模级别标准已不适应当今的国情，因而要调整现行市镇规模级别标准。

youdao

The scale was more modest but the principles the same for the middle class.

对于中产阶级而言，规模要更小些，但原则则是一样的。

youdao

Increasing the scale of this sort of operation is tricky, as the formal economy is often shallow and the middle class small.

扩大这种经营模式的规模需要慎行，因为形式经济学经常失于浅薄，而且中产阶级规模小。

youdao

But nobody practices leverage on the scale of class action attorneys.

FORBES: Magazine Article

Second, a scheme to transfer direct ownership of shares in RBS and Lloyds from the state to 50 million adults on the National Insurance register probably requires the kind of massive IT project which the public sector has a history of bungling on a world-class scale.

BBC: Bank casino capitalism for all

Republicans, on the other hand, have nominated somebody who believes that we should actually significantly increase the tax benefits that go to those at the top of the income scale and ask middle-class families to pay more to subsidize those tax benefits for the wealthy.

WHITEHOUSE: The White House