The new study has some obvious shortcomings, particularly that it relies entirely on self-reports from a self-selected group of respondents.

新的研究也有些明显的缺点，尤其是它完全依赖自己选择参加的受试者的自述。

youdao

It's not a scientific survey, since those polled are a self-selected sampling and tend to feel strongly about certain sites, both pro and con.

这并不是一个科学调查，而是基于自由选择投票并且考虑到所选网站的优缺点产生的。

youdao

One group of teens ate self-selected low-calorie meals not exceeding 1,300 to 1,500 total calories per day.

一组肥胖少年采用自选的低卡路里餐，每天摄入的卡路里总量不超过1300至1500。

youdao

If you stay within those confines, your network remains fairly constant and self-selected.

FORBES: Serendipitous Innovation

Demand creation is shifting to self-selected, visual-social feeds on networks such as Pinterest.

FORBES: D-Commerce And The Pixel Web: The Future Of E-tailing

The online survey, by Nationwide Financial, questioned a small, self-selected sample of advisers, so the results may not be representative.

FORBES: Do You Really Want to Give Away Your Assets to Become Eligible for Medicaid Long-Term Care?