When Himuro finds out that her junior in the Ikeda lab, Kosuke, has spent over 220 thousand yen on his beloved Aika and holds her every night when he goes to sleep, she is shaken by the realization that the only present she's ever given Yukimura is a notebook, and that she's never held him while she slept. She worries that she can't objectively call what she feels "love." As Yukimura and Himuro endlessly debate "love" using numbers, Kanade proposes that the two of them go on a date, but...
Which means this is the most 
appropriate travel route.
.هذا يعني أنّ هذه هي أفضل طريق للسفر
Das ist also die
bestmögliche Reiseroute.
Así que esta debe ser
la ruta más apropiada.
Así que esta debería ser
la ruta más apropiada.
Ça veut dire
que c’est la meilleure route.
Quindi significa che è il percorso più adeguato.
O que significa que é a rota
mais adequada.
Значит, это наиболее оптимальный 
маршрут.