Although some patients will need only a few courses of ECT, others may need maintenance ECT, usually once a week at first, then gradually decreasing to monthly treatments for up to one year.

虽然一些患者仅需要一些疗程的ECT，而另一些则需要持续ect。他们通常以一周一次开始，然后逐渐减少到每月一次坚持一年。

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The 113-year-old law requires married couples to choose just one surname for the man and woman to share, and custom means it's usually the man's.

这个有113年历史的法律要求已婚夫妇只能选择使用一个共同的姓氏，而按照习俗，通常都会选择男方的姓氏。

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Before, Demand usually served up tens of thousands of assignments per day: one day last year, it had a backlog of 150, 000 available assignments for writers, editors and videographers.

以前，按需媒体通常每天发布成千上万个任务：去年每一天，它都有15万个任务可派给写手、编辑和视频制作人员。

youdao

The risk and return components of the efficient frontier are computed for a specific time period, usually one year.

FORBES: The Efficient Frontier

We had one holiday a year usually by the sea for a week, Dad hired a car and we stayed in a caravan.

BBC: How much do families spend?

Guildford Borough Council said that new tenants would be given a one-year introductory tenancy followed by fixed term contracts usually for five years.

BBC: No more Guildford council lifetime home tenancies