Usages of heften
Ich hefte die Einladungskarte an den Kühlschrank, damit sie mich jeden Morgen an die Party erinnert.
I pin the invitation card to the fridge so that it reminds me of the party every morning.
Ich hefte die Vokabelkarten in meinen Notizblock.
I staple the vocabulary cards into my notepad.
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We have an entire course teaching German grammar and vocabulary.