Thus our bodies continuously exchange old substance for new, just like a spring which more or less maintains its form and movement, but in which the water molecules are always different.
因此,我们的身体不断地把旧物质替换成新的,就像一个喷泉,或多或少地保持着它的形式和运动,但其中的水分子总是不同的。
Most important, continuously ensuring quality will always cost less than ignoring quality considerations.
最重要的是,持续保证质量总是会比忽略考虑质量成本要低。
They are working together for the first time in history, not always harmoniously but continuously.
历史第一次他们携手合作,尽管偶然会出现不和谐,但联系始终没有间断。
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