发信人

And, as most people probably know, this can cause problems for both the sender and the receiver.

大多数人可能都知道，这会给发信人和收信人都造成问题。

The Tapper: Tappers are generally quieter than Crackers. But that doesn't make themduring meetings.

按键发信者：轻声敲键盘的人要比吱吱作响者安静，但是这也不会让他们更讨人喜欢，因为他们在开会期间不停地操作自己的通讯设备。

The Tapper: Tappers are generally quieter than Crackers. But that doesn't make them any less annoying when they're tap-tap-tapping on their personal communication devices during meetings.

按键发信者：轻声敲键盘的人要比吱吱作响者安静，但是这也不会让他们更讨人喜欢，因为他们在开会期间不停地操作自己的通讯设备。

The undelivered letter has been returned to the sender.

那封无法投递的信已退回给发信人了。

An unclaimed or undelivered letter that after a period of time is destroyed or returned to the sender by the postal service.

死信：无人认领的或未被送出的信，经过一段时间后被销毁或通过邮政服务送还给发信人

It can encrypt and sign an email to prevent the email from being read unauthorizedly and to confirm the real identity of its sender.

它可以对电子邮件进行加密和签名，防止非授权阅读并确定发信人的真实身份。

Furthermore, we realize, for the first time, some functions in IBE schemes, such as instant revoking of receiver" s identity and sender" s identity.

进一步，我们首次在IBE方案中增加了一些重要功能，例如对收信人和发信人身份的即时撤销。

Actually, when the addressers publicize the private conflicts by open letters, they also take "mass" as the addressee. They not only attempt to gain much more power by gathering the pressure from public opinion but also try to make impression management again before "mass" through open letters.

发信人透过公开信将私人冲突呈现在大众面前时，其实也将大众视为「收信人」，除意图结集舆论压力获得更多权力外，同时藉由公开信在大众面前再度进行印象整饰。

Andy To rescue Sun Yat-sen, it sent letters to five original, hope this five can come help, Unfortunately, the Japanese arrested after writing to Andy.

华仔欲营救孙中山，便发信通知五名奇人，望此五人能前来相助，不幸华仔发信后被日本人捕去。

If undelivered, please return to the sender.

若无法投递，请送回发信人(省略了受词this letter)。

Means the parent directory, so this command means to execute "toolchain.sh," which is in the current directory.

代表父目录，所以这个命令就是执行当前目录下的"toolchain.sh"。

Yes,In fact,I'm on our city ream.

是的。事实上我是我们市队的。