You can install other software on it, you don't have to use the Apple Store, you can use third party stores.

你可以在上面安装其他的软件,你不需要使用苹果原装软件，可以使用第三方的软件。

哈佛公开课 - 计算机科学课程节选

But the catch is that the party on the other end of things has to have that same machine or know that same number.

但是那个隐情是对立面的党派,必须有一个同样的机器或者知道那个密钥。

哈佛公开课 - 计算机科学课程节选

And what he does and what his work does is basically explain why people choose to back one political party versus the other; why they choose to live one kind of life versus the other.

他的工作和作品的贡献在于解释了,人们为什么会选择一个党派反对另一个;,为什么会选择一种生活方式摒弃另一种。

哈佛公开课 - 幸福课课程节选