wider margin的用法和樣例：
例句
- The manufacturers appear to have underbid the contracts by a wider margin than usual. Costs escalated beyond all expectations. And few were privy to the problems because the program was financed in the secret part of the Pentagon budget.
廠家對合同投的標似乎較一般低得太多。成本節節升高，超出任何人的預料。由於該計劃系五角大樓秘密預算所支付，很少人知悉問題的同情。
