in posse
in posse 〈拉〉在可能性上；在可能状态中 与在现实性上〔in esse〕相对。
IN POSSE
in posse
in posse (in pos-ee). [Latin] Not currently existing, but ready to come into existence under certain conditions in the future; potential (the will contemplated both living children and children in posse). Cf. IN ESSE.