either all at once

You can either start typing in names one by one or click on "Select Multiple Friends" to add several people to the list all at once.

你要么是一个一个把他们的名字打进去，要么按“选择多个朋友”的按钮来一次性地把好几个人加入列表。

More flexible: You can migrate Design-Time Templates files either page by page or, easily, all pages at once.

更好的灵活性：您可以一页一页地移动Design - Time Templates文件，也可以一次移动所有的文件。

All this explains why, when hyperinflation has once set in, the value of the monetary unit drops at a far faster rate than the quantity of money either is or can be increased.

所有这些，可以解释为什么恶性通货膨胀一旦发生，单位货币价值下跌的速度将远远超过比货币数量正在增加或者能够增加的速度。