To find proof as to whether he is "in love" or not, Yukimura pats Himuro on the head from point-blank range. Seeing this, Ibarada, an upperclassman in the Ikeda Lab, talks about the need for a control experiment. In other words, in order to prove that the racing of his heart is because of Himuro specifically and not just because he's facing a woman, Yukimura has to pat Kanade and Ibarada on the head too. Himuro, on the other hand, sets out to prove that food made with love tastes better and cooks, but...
That would be very time- and labor-intensive.
.ستكون تلك تجربة مضنية من ناحية الوقت والجهد
Das wäre enorm zeit- und arbeitsintensiv.
Tomaría mucho tiempo y trabajo.
Llevaría mucho tiempo y trabajo.
C’est vrai que ce serait
beaucoup de travail.
Ci vorrebbero una gran quantità di tempo e lavoro.
Isso exigiria muito
tempo e trabalho.
Это очень долго и трудоёмко.