These problems are closely related.

这些问题都是密切相关的。

Light industry is closely related to agriculture.

轻工业和农业密切相关。

British Labor Day and International Labor Day are closely related.

英国劳动节和国际劳动节息息相关。

The story of comb would not be worthy of mention, but for a closely related word, no one today associates with it.

梳子的故事不值一提，要不是有一个与它密切相关的词，如今没人会联想到它。

The philosophical problems of chance and of free will are closely related.

关于偶然性和自由意志的哲学问题是紧密相联的。