Proximity fosters intimacy, while distance leads to estrangement.
他们曾经是形影不离的好朋友，但大学毕业后去了不同的城市工作，渐渐地就日远日疏，联系也越来越少了
They used to be inseparable best friends, but after graduating from college, they went to work in different cities, and gradually grew apart, contacting each other less and less.
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