Saving energy, money and time (spare, elektrisk, ændringen)

Spare: to save

spare + money, time or energy is "to save". Spare op is to put money aside, and redde is to save someone from danger.

We save money when we cycle.
Vi sparer penge når vi cykler.

Money is the most common thing to save.

You can save an hour if you take the train.
Du kan spare en time hvis du tager toget.

Time works the same way, with no preposition.

Ændring and effekt

DanishEnglishused for
ændringenthe changea change made to a plan, a timetable, a rule
forandringenthe changemore often how a person or a place becomes different
effektenthe effecthave en effekt på: to have an effect on

The two words for "change" overlap a lot; ændring goes with the verb ændre.

Are there any changes to the timetable?
Er der nogen ændringer i køreplanen?

A change in something usually takes i; en ændring af is also common.

The change has had a big effect on the bill.
Ændringen har haft en stor effekt på regningen.

An effect on something takes på.

Elektrisk and naturlig

elektrisk ends in -isk, and -isk adjectives never take -t with et-words: et elektrisk tog. naturlig does: det er naturligt.

We have bought an electric car.
Vi har købt en elektrisk bil.
It is perfectly natural to be nervous.
Det er helt naturligt at være nervøs.

Det er naturligt at … says that something is normal and to be expected.

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