The girls attempt to do their very best at the various individual projects Tange has found for them, but none of them seem to be going very well. When Tange hears about this, she gives the girls some confusing advice.
You need to start by knowing 
what your strengths are.
Als Erstes muss
man sich verkaufen.
Empiecen por saber
cuáles son sus fortalezas.
Empezad por saber
cuáles son vuestras fortalezas.
Tout d’abord, vous devez
connaître vos points forts.
Per prima cosa dovete imparare 
a conoscere i vostri punti di forza.
Vocês precisam começar a saber
 quais são seus pontos fortes.