I often have a snooze after lunch.

我常在午饭后睡个小觉。

《牛津词典》

We would often have a walk of an evening.

我们过去常在晚上散步。

《牛津词典》

Do you often have a toothache?

你经常牙痛吗？

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But small farmers often have a difficult time getting their animals to market.

VOA: special.2010.08.03

It turns out that if you give one child in a home the oral vaccine, you often have a protective effect in other children in the home as well because it spreads from one individual to another.

结果显示,如果给一个家庭中的,一个孩子服用了口服疫苗,就等于给家中的其他孩子,同样进行了保护,因为它会在个体之间进行传播

耶鲁公开课 - 生物医学工程探索课程节选

So it's often, I think people have a hard time delivering bad news,

有些时候，人们会觉得告诉客户坏消息是很难的事情，

正直是最好的 - SpeakingMax英语口语达人

They are always a little different and often have a new edge to them.

NPR: Beirut Mixes Exhaustion and Inspiration

Wall Street-types often have a difficult time wrapping their heads around what makes tech companies tick.

FORBES: Impatience Won't Turn Yahoo! Around

People with heart failure often have a lower quality of life than arthritis, chronic lung disease or angina sufferers.

BBC: Killer heart disease on rise