That was the price of allegedly sage advice, but any disinterested professional will tell you that a futures trader who pays $80 roundtrip has no chance of winning.

他们说这是明智的建议，但是任何专业人士都会告诉你，付80元包来回交易根本没有赚钱的机会。

youdao

She attends a positive futures group in Coventry and has received lots of advice about drinking and its implications.

BBC: The teenage girls who drink too much

If they followed the advice to hedge, the residents of Flint, Mich. would, en masse, buy oil futures.

FORBES: Taking the Plunge