lisaks

In a sentence

• Lugesin raamatut ja lisaks kuulasin muusikat.

  I was reading a book and additionally listening to music.

  Here, 'lisaks' indicates an additional activity performed alongside the primary one.

• Lisaks eelistele on sellel tootel ka mõningaid puudusi.

  In addition to its advantages, this product also has some drawbacks.

  Here, 'lisaks' introduces another aspect being added to the main subject.

• Mine lisaks need failid postkastist.

  Go and additionally add these files to the mailbox.

  Here, 'lisaks' suggests adding something extra to what is being done.