投入大量的人力和物力 Lots of manpower and material
先前所投入的人力物力可能会付诸东流。
The resources previously committed might have been committed in vain .
常有人问我，对大流行防范投入的人力物力是不是在浪费资源。
I am often asked if the effort invested in pandemic preparedness is a waste of resources.
我们知道这和那些已经在这些问题上投入人力物力的人相比只是冰山一角。
We know this is a small contribution compared to all the resources and talents of those already working on these issues.
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