New refactorings - There is a new extract class refactoring, which extracts a group of variables into a class and preserves member access.

新的重构——有一个新的提取类重构功能，它把一组变量提取到一个类中，并且保留了成员访问函数。

youdao

I'll want to extract the common elements of performance into an abstract base class.

我想把性能的公共元素提取到一个抽象基类。

youdao

To reuse object-oriented code, you extract the target code into another class, then use inheritance to access it.

要重用面向对象的代码，您要将目标代码提取（extract）到另一个类中，然后再用继承来访问它。

youdao

Whereas in the 1870s, East Coast and European bankers had no option but to trust deeply knowledgeable experts on specific illegible emerging markets such as oil and steel, by the 1900s, bankers could do to wannabe-Carnegies what people like Carnegie themselves had done to the artisan class: extract the knowledge they brought to the party and neutralize its use at the negotiating table.

FORBES: Entrepreneurs are the New Labor: Part I

With QE2 nearing completion, should he raise interest rates and extract excess liquidity before inflation destroys the middle class?

FORBES: An Honest Politician: Understanding Ben Bernanke

Executives said Tuesday they're also developing a foundry designed to produce metal parts from nickel, an element abundant in asteroids, and operate in space, and a class of "Harvestor" craft to extract valuable material from the asteroids.

CNN: 'Fireflies' to scope out space rocks for mining