Electronic means of keeping in contact got worse, too, because of staff shortages and worries about moving people around.

由于人员短缺和对人员流动的担忧，保持联系的电子手段也变得越来越糟糕。

Take, for example, the use of electronic means.

以电子手段的使用为例。

Fourth, electronic means of payment may raise security and privacy concerns.

第四， 电子支付方式可能会引起安全和隐私问题。

These vicious attacks sent through electronic means may as well be carved in stone.

这些恶意攻击的电子信息可以是犯罪的铁证。