社会系统的统一性在于其各部分之间的相互依存。

When every penny must be calculated, the margin for error evaporates.

我寻找钥匙多年，但门一直是开着的。

The most beautiful words in the English language aren't "I love you" but "it's benign."

Success in our industry requires both scientific excellence and commercial acumen.

解析：意与知、物紧密相连。