1. on the edge of

幾乎；瀕于；在…邊緣

eg. In reality, your brain operates on the edge of chaos.

在現實中，你的大腦在混亂的邊緣運算著。

eg. Some choose a nomadic life because they want to be more in touch with nature; others to live on the edge of society without a national insurance number or fixed address.

一些人選擇游牧生活，是因為他們想更接近自然；其他的人生活在社會邊緣，是因為他們沒有社會保險號碼或固定的住址。

2. between A and B

在……之間

eg. The study began with a multi-country, multi-sector, dynamic model capable of describing the trade and financial linkages between and within economies.

我們采用跨國、跨產業、動態的模型來描述不同經濟體之間以及經濟體內部的貿易和金融聯系。

3. Divided into

分為

eg. Administratively,the country is divided into 50 states.

這個國家在行政上劃分成50個州。

eg. As you can see, each item in the tree is divided into columns.

正如您可以看到的，樹中的每一個項都被劃分到列中。