I still don't truly understand how it affected me and I believe the answers have been locked in a box in my mind with a key I cannot (or choose not to) find.
可是我还没有真正理解它是怎样影响我的，我相信答案锁在了脑海里的“箱子”里，我找不到(或选择不去找)钥匙。
"If we cannot find water, it really makes it difficult to send humans. Water is the key, " said Thompson, who was attending a mining engineers" conference.
汤普森在参加一个采矿工程师会议时说：“如果我们找不到水的话，把人类送上火星是非常困难的。水是关键因素。”
If it cannot find a foreign key relationship between the tables, the default is a cross product.
如果查询编辑器在表之间找不到外键关系，则缺省设置为矢量积。
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