It will be another three years before he graduates.
他要再三年後才畢業
another: 另一,再一
There are six years for elementary school so called the primary school, three years for junior high school (Grade 7 to Grade 9), another three years for senior high school.
中學有六年, 三年初中 (7級 到 9 級) 、 另外三年高中。
The little boy finished his biscuits and asked for another three.
小男孩吃完自己的餅後,要求再三塊。