1.fill in 填寫

It needed debt to fill in the gaps.
它需要舉債來填補這些空缺AJ|F64(b-~。

Until the europeans get specific and fill in these holes, volatility will continue in the markets.
歐洲人給出明確的答案，填補這些漏洞之前，市場將延續(xù)震蕩態(tài)勢=BJRc[AvpQq。

2.base on 以...為根據(jù)

Left: lance cpl. baker at shir ghazay patrol base on jan. 30.
左圖：貝克爾下士在shir ghazay巡邏基地，1月30日ajFEM.BSz1O-6R#hMJpH。

But this is a worryingly flimsy base on which to build a bigger economic and monetary union.
但是在經(jīng)不起風(fēng)吹雨打的基礎(chǔ)上就想建立一個較為龐大的經(jīng)濟(jì)和貨幣聯(lián)盟實在是令人憂心如焚(feZPJ5l[3。

3.essential for 對…是必不可少的

Why is immigration so essential for innovation?
為什么外來移民對創(chuàng)新是如此的重要？

Resolving north korea's nuclear problem is essential for a peaceful northeast asia.
解決朝鮮核問題對構(gòu)建一個和平的東北亞至關(guān)重要0H[WHsu|t.[zRU。