But there are compelling reasons in favor of another Moon landing too, not the least of which is trying to pinpoint the moon'sage.
但也存在令人信服的理由支持再度登月，其中包括试图确定月球的年龄。
2
But, there are compelling reasons in favor of another moon landing too, not the least of which is trying to pinpoint the moon'sage.
但是，仍存在强有力的理由支持再次登月，其中重要的一点就是为了明确月球的年龄。
3
Such a smooth complexion implies that the surface is very young - probably less than 10 million years old, a tiny fraction of the moon's 4-billion-year age.