1.keep up 保持；維持

If homeowners can't keep up the payments, they face foreclosure.
業主如果未能按時交房貸，就會面臨喪失抵押品贖回權的危險。

If you don't keep up payments you could be evicted.
如果不繼續交費，你會被趕出去。

2.according to 根據，按照

The route that the boatmen choose varies according to the water level.
船夫選擇的路線會隨水位的變化而有所不同。

He advocates streaming children, and educating them according to their needs.
他提倡把學生按能力分班，因需施教。

3.such as 例如；譬如；諸如

They offer tips on topics such as home safety.
他們就家居安全等問題提供建議。

Venerable dailies such as the Tokyo Times have shut down.
像《東京時報》之類的一些有名望的日報已經?？?。