return good for good

基本解釋

How long is a return ticket good for?
來回票可有效多久？
The return ticket is good for another three months.
回程票有效期還有三個(gè)月。
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Those who return evil for good may expect their neighbor's pity to be worn out at last.
以怨報(bào)德的人，最后將失去鄰居的憐憫。

For any given level of return, you can reduce the risk; for any given level of risk, you can increase the return; sounds pretty good.
給定回報(bào)率,可以降低風(fēng)險(xiǎn),給定風(fēng)險(xiǎn)水平,可以提高回報(bào)率,聽上去不錯(cuò)
耶魯公開課 - 金融市場課程節(jié)選

In return for good performance, Jones took 20% of whatever profits were made, and all the partners would share expenses.
FORBES: Growing Pains
But Mrs Loving wanted to return for good.
ECONOMIST: Mildred Loving, law-changer, died on May 2nd, aged 68
The Houston Chronicle recently reported that Salinas may have solicited investment funds from college coaches in return for steering good young players to certain college teams.
FORBES: SEC Accuses Investment Group That Lured College Basketball Coaches of Fraud