make a time over的意思|示意

Expect to make friendships gradually, over a period of time, not instantly.

友谊是逐渐形成的，要经过一段时间，不要期望速成；

This can be accomplish by a dedicated effort over a long period of time (typically, months) to make significant contributions to the project.

这需要通过长时间的努力（通常要好几个月），为项目做出突出的贡献。

I basically know the answer: temperature is a noisy time series, so if you pick and choose your dates over a short time span you can usually make whatever case you want.

我基本上知道答案，气温是一条嘈杂的时间序列，所以如果你在一下相对较短的时间跨度里挑选数据，你可以得到任何你想要的结果。