The wedding ring is the outward and visible sign of an inward and spiritual bond which unites two loyal hearts in endless love.

结婚戒指不论从外表还是到内在都是婚姻的见证，是心灵相连的纽带，代表两颗忠实的心在无尽的爱。

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Love is an active power in man, a power which breaks through the walls which separate man from his fellow men, which unites him with others;

爱是活跃于人心中的一种力量，它冲破人与人之间的隔阂，使我们紧紧相连；

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Even a love of talking unites mandarins from Beijing and Eurocrats from Brussels.

ECONOMIST: Charlemagne

But I would say too that the film is an homage to moving parts that fit together, the perfection that is any design that unites many disparate bits into a whole including love and personality.

FORBES: Scorsese's Hugo And The Precious Virtues of Analog Time