public abstract pointcut targetPointcut() expresses the pointcut where the advice must be applied.

public abstract pointcut targetPointcut()表示其中必须应用 advice 的 pointcut。

youdao

It's an abstract class with public abstract methods all of which must be implemented in the inherited classes.

能够实现允许某个类被继承，但不允许其中的某个方法被覆写么？

youdao

public abstract ContractManager getContractManager() must return an instance of a ContractManager implementing the correct contract checking.

public abstract ContractManager getContractManager()必须返回实现了正确的契约检查的 ContractManager的一个实例。

youdao

The prime minister did not attack public spending in the abstract, or pledge to get the state off citizens' backs.

ECONOMIST: Bagehot

President Barack Obama is merely the latest head of government to attempt to deflect public attention onto an abstract scapegoat.

FORBES: "Too High" Prices Are a Symptom, Not the Cause, Of Our Problems

The public interest is more abstract.

CNN: MONG LEADERS IN THAILAND,