Given this, crossing that barrier is akin to paying a fixed cost that once it is paid does not have to be paid again.

因此，打破这个障碍就像支付一个固定成本，一旦付款，以后就再也不用付款了。

youdao

Railway fixed equipment. built - up common crossing and cast crossing obtuse with fixed switch diamond. cast steel cradles of built - up common crossing with movable switch diamond. inspection.

铁路固定设备。带有固定转辙器菱形交叉的组合式普通交叉和铸造交叉钝角。带有可移动转辙器菱形交叉的组合式普通交叉的铸钢支架。检验。

youdao

Phoebe Marks shrugged her shoulders, folded her work, shut her workbox, and crossing her hands in her lap, sat with her grey eyes fixed upon her husband's bull-like face.

菲比·马克斯耸耸肩膀，叠好她的针线活，关上她的针线匣，双手交叉放在膝上，坐在那儿用她那灰色眼睛盯着丈夫的公牛般的脸。

youdao

Currently run by Severn River Crossing Plc, the bridge will return to public ownership when the firm has collected a fixed sum of money from tolls, expected to be around 2017.

BBC: Welsh Affairs Select Committee

After the crash Network Rail said there had been a problem at the crossing a year ago, with the barrier rising and falling slowly, but it had been fixed and it was in full working order.

BBC: Yarnton level crossing death 'unexplained'

Network Rail said there had been a problem at the crossing a year ago, with the barrier rising and falling slowly, but it had been fixed and it was in full working order before the crash.

BBC: Man dies after car hit by train at Yarnton level crossing