粮食是世界上二分之一的人口赖以生存的食物。
The diet of half of the world's population is based on rice.
但是，当今世界上二分之一以上的人口并未享受到任何类型的社会安全保护。
But today more than half the world's population is excluded from any type of social security protection.
和其他单手使用的键盘不同，二分之一键盘完全建立在QWERTY输入系统上，所以你不用再学习一种新的打字方法。
Unlike other one-hand keyboards, this one is based fully on the QWERTY system so you don't have to learn a new method of typing.
事实上，实验期间家庭办公的雇员退出的比率是那些乘车上下班人员的二分之一。
In fact the quit rate among home-office workers during the experiment was about one-half of what it was for those making the commute.
地球上不结冰的陆地面积，将近二分之一已经被人类所改变，对自然界造成严重影响。
Humans have transformed nearly half of the planet's ice-free land areas with serious effects on the rest of nature.
地球上不结冰的陆地面积，将近二分之一已经被人类所改变，对自然界造成严重影响。
Humans have transformed nearly half of the planet's ice-free land areas, with serious effects on the rest of nature.
该报告指出，英国公司在在职培训上的支出自上世纪90年代以来下降了四分之一到二分之一，尽管近来有所回升。
It pointed out that UK company spending on in-work training had declined by between a quarter and a half since the 1990s, albeit with a bit of an uptick recently.
该报告指出，英国公司在在职培训上的支出自上世纪90年代以来下降了四分之一到二分之一，尽管近来有所回升。
It pointed out that UK company spending on in-work training had declined by between a quarter and a half since the 1990s, albeit with a bit of an uptick recently.
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