If you have been trading for several months or years, I am sure that you have already spent a lot of time and money on books, indicators, seminars, newsletters and other 'educational' materials.

如果你已经交易了好几月或好几年，我确信你已经花了许多时间和金钱在各类书籍、指标、学习班、市场通讯以及其他和交易培训相关的事情上。

youdao

The positive trends in Hispanic educational indicators also extend to high school.

WSJ: Best of the Web Today: The New Nixon

Australia's educational indicators are good, but not great.

ECONOMIST: The limits to growth

Does the country have education and ICT statistics including indicators and data on computer equipment and communications in rural and urban educational institutions?

UNESCO: EDUCATION