The supply-route troubles are yet another sign of the precarious relationships that the United States and its allies must maintain to continue the fight in Afghanistan.
供给线路的麻烦也是危险关系的另一种信号，但美国及其盟友必须保持在阿富汗的持续战斗。
To maintain her weight, she simply chooses fruits and vegetables over fats and sweets.
为了保持自己的体重，她选择只吃水果和蔬菜而不吃肥肉和甜食。
The superpowers pledged to maintain symmetry in their arms shipments.
这些超级大国承诺要在其武器运载上保持数量相等。
The house costs a fortune to maintain.
维修这房子花费巨大。
The army has been sent in to maintain order in the capital.
军队被调进首都维持治安。
The government was right to maintain interest rates at a high level.
该政府将利率维持在一个高的层面是正确的。
It allows the train to maintain a constant speed through the twists and turns of existing track.
它可以让火车在现有蜿蜒盘旋的轨道上保持匀速。
Few people nowadays are able to maintain friendships into adulthood.
现今很少有人能够把友谊维持到成年。
It's incredibly hard to maintain patience at all times with your children.
始终对孩子保持耐心是非常困难的。
It is our government's strategy to maintain the sustainable development of society.
保持社会的可持续发展是我们政府的战略。
To maintain a balance, big "apex" fish may be as important as the small one.
为维持平衡，生态系统“顶点”的大鱼可能和小鱼一样重要。
Wage rates must be maintained in order to maintain the purchasing power of the consumer.
必须维持工资率以保持消费者的购买力。
He excused himself by saying he was "forced to rob to maintain my wife and cat."
他为自己开脱，说是“为养活妻子和猫才迫不得已去抢劫的”。
By 492 votes to 391, the federation voted to maintain the status quo.
联盟以492票对391票投票决定维持现状。
It's hard to maintain competitive pricing.
很难保持有竞争力的定价。
The government struggled to maintain law and order.
政府努力维持治安。
He emphasized the need to maintain Britain's defences at a level sufficient to deal with the unexpected.
他强调需要将英国的防卫力量维持在足以应付突发事件的水平。
Supporters say open source software is more secure, cheaper to buy and maintain and easier to customize.
拥护者认为开放源代码软件更安全，购买价格及维修成本也更为低廉，并且更容易定制。
She may not have the money to maintain or restore her property.
她也许没有足够的钱来保留或维修自己的房产。
The house is large and difficult to maintain.
房子很大，难以养护。
The Philippine government wants the U.S. to maintain a military presence in Southeast Asia.
菲律宾政府希望美国保留在东南亚的驻军。
He was arguing with the king about the need to maintain the cavalry at full strength.
他在和国王讨论保留骑兵全部兵力的必要性。
He continued to maintain that he did nothing wrong, despite clear evidence to the contrary.
他仍坚持认为自己没有做错，尽管有确凿的证据证明他做错了。
This may help to maintain the gains you've made and to prevent backsliding.
这也许能保住你先前的成绩，不致滑坡。
It was difficult to maintain a secure foothold on the ice.
在冰上不容易站稳脚。
The UN is trying to maintain a dead zone between the warring groups.
联合国正试图在交战方之间保留隔离带。
We aim to maintain high standards of customer care.
我们的宗旨是始终以高标准为顾客服务。
Her income was barely enough to maintain one child, let alone three.
她的收入养活一个孩子几乎都不够，更不用说三个了。
But, in the interim, we obviously have a duty to maintain law and order.
但是，在过渡时期我们显然有责任维持法律与秩序。
Industry representatives made it clear that their commitment was only to maintain the extent of forests, not their biodiversity.
业界代表们申明他们只承诺维持森林的规模而不是其生物多样性。
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