Although not essential, some prior knowledge of statistics is desirable.
统计学的知识虽非必要，但最好是学过一点。
This information must not be disclosed without prior written consent .
未事先征得书面许可，此消息不得泄露。
Visits are by prior arrangement .
参观需要事先安排。
Please give us prior notice if you need an evening meal.
需用晚餐者，请预先通知我们。
She will be unable to attend because of a prior engagement .
因事先有别的安排，她将不能出席。
They have a prior claim to the property.
他们有权优先获得该处房产。
during the week prior to the meeting
在开会前的一周内
1.小修女院院长;大修女院的副院长
1.a woman who is in charge of a priory
1.The prioress, that pronounced prognosticator, immediately took a fancy to Cosette and gave her a place in the school as a charity pupil.
院长作了那样的预测以后，立即对珂赛特起了好感，让她在寄读学校里占了一个免费生名额。
2.The sub-prioress was an old Spanish nun, Mother Cineres, who was almost blind.
副院长是个眼睛几乎瞎了的西班牙籍老修女，西内莱斯嬷嬷。
3.The most powerful determining cause of his admission had been the prioress's observation upon Cosette: "She will grow up ugly. "
让他们入院的最大决定因素，还是院长对珂赛特所作的那句评语：“她会长得丑。”
4.Once a week the chapter assembles: the prioress presides ; the vocal mothers assist.
她们每星期集合一次，院长主持，参议嬷嬷们出席。
5.The prioress could do nothing; the archbishop had spoken.
院长无可奈何，大主教的话已经说出了口。
6.In 1847, the prioress was young, a sign that the circle of choice was restricted.
一八四七年，院长是个年轻人，这说明选择的范围缩小了。
7.The two mothers consulted for a few moments in very low tones in the corner of the parlor, then the prioress turned round and said
那两个嬷嬷在接待室的角落里极轻声地商量了几分钟，接着院长又走回来，说
8.When he had finished speaking, the prioress stayed the slipping of her rosary between her fingers, and said to him
他谈完的时候，院长手指中间的念珠也停止转动了，她对他说