例如，如果沒有與人面對面互動，我怎麼會知道，在古吉拉特語中，當長輩說「maru loi na pee」（字面意思是「不要喝我的血」）時，其實是在叫我不要煩他們？又或是理解法語中「ça a été」這句字面上意為「事情如其所是」的短語，在對話中卻是表達「一切還不錯」的極萬用回應？
与其说是技术问题，不如说是一个被长期忽视的基础工程问题。
，详情可参考51吃瓜
We wanted a scenario where, say, 5 well-placed border points could efficiently represent an area with 5,000 internal points and 10,000 road edges. This would reduce those 10,000 edges to just 5*4/2 = 10 shortcuts for routing through that cluster at a high level – an incredible 1:1000 point ratio and a 30x reduction in edges to consider for the high-level path!
NASA astronaut Mike Fincke has logged 549 days in space, with nine spacewalks totaling 48 hours and 37 minutes.