The recipient can ask the Future to block until a result is ready, poll to see whether it's complete, cancel the computation, or check whether another thread has canceled it.

接收者可以要求Future阻止线程，直至一个结果就绪，检测查看它是否完成并取消计算指令，或检查是否有其他进程取消了它。

youdao

Therefore, before you write anything, ask yourself: exactly what decision do I want the recipient to make?

因此，在你写任何东西之前，你都要问自己：我到底想让邮件接收者做出什么样的决定？

youdao

To see the real impact that these tools are having these days, just ask Jeremy Heimans, who was recently honored as a Ford Foundation Visionary Award recipient.

要了解这些工具对当代的实际影响，就问问JeremyHe imans吧，他最近获得了福特基金会。

youdao

Typically they ask the recipient to supply confidential information, like a username, password, social security number, or credit card number.

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