Which one do you prefer：
1) a company offering you a job with challenging and interesting project but less vacation days or
2) another company offering you a job that is not so challenging and interesting but more vacation days.
(1)for storing grains;(2) gold mining place;(3) astronomical observatory;
(1)外表看起来像storehouse, 其实inside只有two small rooms, moreover, no grains were found there;
(2) radiation carbon finds that towers and walls were built before the gold mine was detected, 也就是说build towers and walls的时候人们不知道有gold;
(3)Towers for observing stars require specific angles and distance, however, the Great Zimbabwe does not meet such requirements.