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来源：雅诚德英语网
Could those experiments provide insights profound enough to justify the expense of sending people across interplanetary space?
这些实验能提供足够深刻的见解，从而将把人送到星际空间的花费合理化吗？
Could those experiments provide insights profound enough to justify the expense of sending people across interplanetary space?
这些实验能提供足够深刻的见解，从而将把人送到星际空间的花费合理化吗？