ruinously

" Free banking " has turned out to be ruinously expensive for many customers .

对于许多客户来说，“免费银行服务”最终被证明是无比昂贵的。

Technology also threatens to fracture television into individual programmes , just as it has ruinously broken music albums into individual tracks .

科技的进步也使电视业面临节目个人化的威胁，就像它毁灭性地使得唱片变成个人任意组合的音轨。

Farmers had two roles : first , to produce as much grain as possible for urban consumption , however ruinously low the prices ; second , to provide cheap labour to the cities .

农民扮演着双重角色：第一，尽可能多地生产粮食供给城市消费，不管粮食收购价有多低，农民受损有多严重；第二，为城市提供廉价劳动力。

In fact , it 's not a system at all : it is a ruinously expensive , tiring and highly political game in which almost everyone emerges a loser .

事实上，它根本算不上一个制度：它只是一个异常昂贵、使人疲惫而且勾心斗角的游戏。在这一制度下，几乎每个人都是输家。

Ruinously destructive and wasting .

毁灭性的破坏、损耗。

In the presence of transactions costs , the arbitrage argument used by Black-Scholes to price option no longer can be used : because continuous trading would be ruinously expensive , no matter how small transactions costs might be as a percentage of turnover .

Black-scholes的理论是在无市场摩擦的状况下得到的，如果存在交易费用，上述讨论不再有效，无论交易费用多么小，连续的头寸调整也会带来巨额的交易成本。