The best books will give us invaluable help at moments of need.
最好的书籍在我们困难时会给我们极可贵的帮助。
Fortunately for Martin, some invaluable help was at hand when he needed it.
马丁算是比较幸运的，现在他能够得到急需的帮助。
His help can prove invaluable.
他的帮助是无价的。
Your help in moving the big refrigerator was invaluable.
你帮忙搬那个大冰箱，你的帮助是可贵的。
Your help in moving the big refrigerator was invaluable.
你帮忙搬那个大冰箱，你的帮助是可贵的。
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