That's an example of a dark mode feature over a long term.

这是长期暗模式功能的一个例子。

The actual results of an investment over a long term of years very seldom agree with the initial expectation.

一项长期投资的实际结果很少与最初的预期一致。

A lot of them don't necessarily have the money to do this over a long term or a long period of time.

他们中的许多人不一定有足够的资金来长期或长时间地做这件事。

To retire like Caroline, the first step is understanding how to save for retirement. The basic idea is to start saving now and save as much as possible over a long term.

要想退休后过上卡罗琳的生活，第一步就是了解如何存钱养老。基本思想是现在就存，存地越多越好。