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他的詩，如同幾何圓規般，畫著圓，時而親密貼近，時而廣及全球，唯一不變的是，圓規的尖端總是插定在囚室里。

Genetically modified technology is an important direction for future agricultural development, we should view it scientifically and rationally.

We’re constantly focusing on innovating.

The best way to invest is to look at what’s happening in the real world and invest accordingly.

在計算中，不變量是短暫的。