This also makes it simpler to manage as there is usually only one fortnightly or monthly account to pay afterwards.

这也使得管理更简单，因为通常只有一个每两周或每月付帐户。

youdao

Now simply reset the device by holding in the record button (on the left side) and you should see a list of images on the card (usually only one).

现在，只需要按下record按钮(在左边)来重设设备，然后您应该会看到卡上的一个映像列表(通常只有一个)。

youdao

Since only one female usually lays eggs in a given larva, it would pay her to produce one male only, because this one male could fertilize all his sisters on emergence.

因为通常只有一只雌性在一个特定的幼虫中产卵，所以它只会产生一只雄性，因为这只雄性可以在孵化时使它所有的姐妹受精。

youdao

But he says only one or two students usually choose it each year, and no one did in the graduating class in May.

VOA: special.2009.07.23

That was usually one of the only time when the president had the opportunity on his own to do some reading, wirtting notes, making some calls.

那时总统才有时间,才有机会,看看资料，做一下笔记，打一些电话。

普林斯顿公开课 - 国际座谈会课程节选

So only one thing what I bought there, and I'm buying presents usually in Chinatown,

所以过去我只在那里买过一样东西，而现在我经常在唐人街买礼物，

强烈推荐购物 - SpeakingMax英语口语达人

For other employees, the trial period is usually only one to three months.

BBC: NEWS | Europe | Q&A: French labour law row

Each one will have four engines, half as many as the ships they are replacing, and usually only one will be running, says Paul Norton of the Ministry of Defence.

ECONOMIST: Electric ships

There are usually only one or two buses per day from Wuyuan to the villages, so be prepared to spend the night in a local's house once you arrive at your destination.

BBC: Rural adventures in China��s backcountry