First, the jobs number and the unemployment number are based on different surveys - a survey of establishments in the first case, a survey of households in the second.

首先，岗位数据和失业数据取自于不同的调查——前者是用人单位调查，后者是家庭调查。

youdao

After joining several good market research panels, the light turned on: If I can make money taking surveys, I can probably make money promoting good survey panels.

在加入几个很好的市场调查小组之后，情况发生转变：如果我可以通过调查赚钱，我可能也可以赚钱来拥有更好的调查途径。

youdao

This year's survey was based on 2319 completed surveys, representing 80 countries.

今年的调查结果基于来自80个国家的2319份调查。

youdao

Like the DCLG survey, the surveys are based only on property sales financed by mortgage lending, ignoring sales which are sold for cash.

BBC: House price surveys explained

National statistics on smoking are provided by two federal surveys, the National Health Interview Survey (NHIS) and the National Survey on Drug Use and Health (NSDUH).

FORBES: Are Federal Taxes Driving Smokers to Stop Lighting Up?

The work builds on previous surveys established by the British Geological Survey (BGS), which has shown that the present-day landscape of this region has been strongly shaped by Quaternary glaciation particularly over the past 500, 000 years.

BBC: Exploration around Ullapool confirms important species