Lus piav qhia luv luv:

Ob lub zog tsis siv neeg hloov pauv yog siv los hloov ntawm ob lub zog hluav taws xob. Nws tau muab faib ua cov khoom siv hluav taws xob ntau thiab cov khoom siv hluav taws xob standby Thaum cov khoom siv hluav taws xob sib txuas tau tawm, cov khoom siv hluav taws xob standby yog siv. Thaum cov khoom siv hluav taws xob sib xyaw hu ua, cov khoom siv hluav taws xob ntau tau rov qab los), yog tias koj tsis xav tau kev hloov pauv tsis siv neeg hauv qhov xwm txheej tshwj xeeb, koj tuaj yeem teeb nws mus rau kev hloov pauv (qhov no hom ntawm phau ntawv tsis siv neeg siv dual-siv, kev hloov kho arbitrary).