他们的害怕并非没有根据：90%以上的专用密码术都已被攻破。

And their fears are not groundless: More than 90% of proprietary cryptography has been broken.

youdao

借记卡相对来说安全一点（只要你的个人专用密码只有你自己知道），但是如果旅游地没有你所使用借记卡的自动取款机，那你就要用别的银行的取款机取款，那意味着你需要支付跨行取款费用。

Debit cards are relatively safe to use (as long as you keep your PIN private), but if you can't find one of your bank's ATMs, you'll have to pay for the privilege of using another bank's cash machine.

youdao

您创建了您的第一个应用程序，它可以在专用用户表中存储用户名和密码，但是，您没有对这些密码进行加密。

You've created your first application, one that stores usernames and passwords in a dedicated user table, but you haven't encrypted those passwords.

youdao