[ Lub Hom Phiaj ] sau cia.

☞ x ≔ Daim ntawv qhia tshiab.
x abc: 123.
☞ y ≔ Sau ← x.
✎ sau ntawv: y sau cia, tsum.
(Sau ← ((Daim ntawv qhia tshiab) muab:123 rau:‘abc’))