That would mean that companies should try to push their debt-equity ratio up as high as possible given that theory.
这个理论意味这公司将，尽力提高负债权益比。
2
But string theory has been around for decades without delivering the goods, and that failure has encouraged the protagonists of an alternative explanation to push themselves forward.
但是超弦理论已活跃了几十年，却没有什么突破。超弦理论的失败激励了另一种理论的倡导者。
3
In theory, flows of foreign money into China should push up the yuan, but China has resisted this, forcing the central bank to buy up the surplus foreign currency.