1.self-sufficiency 自给自足
On the other hand, Europe's self-sufficiency in energy is sharply declining.
与此同时,欧洲的能源自给率却在急剧下降
2.a sequence of 一系列的
A string is just a sequence of characters.
一个字符串由一系列字母构成
3.status quo 现状
No party shall change the status quo of the land before the disputes over ownership and use right are settled.
在土地所有权和使用权争议解决前,任何一方不得改变土地利用现状
4.menace 威胁
Inflation remains the quiet menace that investors too often underestimate.
通货膨胀仍然是一个投资者常常低估的潜在威胁