Cai Ze returns to Xianyang with not one, but two unexpected guests. Zheng is put on the spot about his plans for a post-unified Middle Kingdom world.
it's only a verbal contract 
between the two of us--
weshalb dies eher eine mündliche
Vereinbarung zwischen Euch und mir ist.
así que solo será un compromiso verbal,
así que solo será un compromiso verbal,
si tratta solo della parola data fra re,
não passa de uma promessa
verbal entre o rei de Qin e eu.