One of my favorite German words took me a long time to learn to pronounce and even longer to properly understand. The word beziehungsweise not only has a fairly complex meaning, but it is also so long that in most cases people abbreviate the written form as bzw.
Often beziehungsweise is translated simply as "or":
Einen Wohnwagen beziehungsweise eine Hütte bekommt man ab
You get a trailer or a hut from
fünfundfünfzig Euro.
fifty-five euros.
Caption 33, Berlin - Indoor-Camping im „Hüttenpalast“
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So why not simply say oder ("or") instead of the longer beziehungsweise? One reason is that the latter often goes more in-depth than just saying "or." You may want to rent either a trailer or a hut, or perhaps both a trailer and hut. Beziehungsweise is thus often translated as "respectively" too:
Sobald beziehungsweise
As soon as, or respectively,
erst wenn der Antrag gemäß Artikel fünfzig
only when the motion in accordance with Article Fifty
der EU-Verträge vorliegt.
of the EU Treaties is submitted.
Captions 17-18, Brexit-Votum - Merkel warnt vor Spaltung Europas
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Sometimes beziehungsweise is used to narrow down a meaning and in this case is translated as "more specifically":
Damit man dieses Geld auch bekommt,
In order to receive this money,
benötigt man ein Bankkonto beziehungsweise ein Girokonto.
you need a bank account, more specifically a checking account.
Captions 7-8, Eva erklärt - Bankkonten
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Further Learning
So whether you are learning German for fun or (beziehungsweise) for business — perhaps both, right? — this is a good word to have in your active vocabulary. Although it is not usually translated as such, for me it helped to think of the word as the "and/or" that you sometimes see in English. Take a look at examples of beziehungsweise in context on Yabla German.