It's trivial to get the data out of this file, but it's hard — even impossible in some circumstances — to adjust the data in the PHP file.

将数据从此文件中提取出来是轻而易举的，但在该PHP文件中调整数据却很困难，在一些情况下甚至是不可能的。

youdao

Typically, when project managers rely on team members to provide status data, they get results that are inconsistent, imprecise, and hard to collate.

通常，当项目经理依靠团队成员所提供的状态数据时，他们得到的结果是不一致、不准确和难以比较的。

youdao

Now that the storage pool is up, we need to be aware that data might get corrupted or hard drives can be faulty.

在建立存储池之后，我们需要认识到的是，数据可能被毁坏，硬盘驱动器可能会出现故障。

youdao

This is useful especially when we get to details like forensics and looking at data on a hard drive, - 'cause if you don't know how much store-- how many bits are composing your file, you're never gonna recover that data or be able to access what you're looking for.

这是很有用的，尤其是在法庭上,查看硬盘驱动器里的数据时，如果你连-,文件有多少比特都不知道，你如何去恢复数据,获取你想要的信息呢。

哈佛公开课 - 计算机科学课程节选