But I can make a decorator without adding the extra structure of a class-based approach.

但是，我在创建修饰符时可以不用添加额外的基于类的方法结构。

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The traditional system continues to be used as before, with the ABC structure an extra to be called upon when specific cost information is required to help make a particular decision.

ECONOMIST: Idea

This means there is a greater chance of their meeting one another, allowing an extra atom to fill a hole and restore the crystal structure.

ECONOMIST: New materials for renewable energy

The parties pledged to keep 1, 000 extra officers brought in since 2007, but policies on forces' structure differ.

BBC: Scottish election: Main party leaders at police event