她出高薪请专家帮忙，例如聘请代理人为她服务。
She paid an exceedingly high fee for specialized help, such as the services of an attorney.
他们不知道他们的专家帮忙。
如果要确认其余持卡人的身份，他们需要一个影像专家帮忙，使得从手机上提取的影像清晰可辨。
To identify the rest of the cardholders, they will need a specialist to sharpen the video from the cell phone.
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