Focus your strategy on requesting one-way links from sites with high natural rankings in search engines.

把你的策略集中在向那些在搜索引擎有很高的自然排名的网站请求单向链接。

youdao

Rather, they estimate that only one in four of the attackers has links to the insurgents in one way or another, with only one in ten attacks being the work of infiltrators.

ECONOMIST: The war in Afghanistan

And one way of looking at such links is the Network Rail view that it only makes financial sense when you've built 400 miles of it, because that's when savings from journey times compete with air links.

BBC: Making tracks and political points

One way of injecting more dynamism into Central America's economies would be by improving transport links and cutting red tape.

ECONOMIST: Central America