Dab tsi txog cov pluag toughness ntawm yas?
Pom zoo li cas cov ntaub ntawv raw li koj, thiab cov khoom siv hauv cov khoom. Cov co ntawm cov ntaub ntawv lawv tus kheej tsis zoo toughness, tej zaum yuav tsis haum rau koj cov khoom no.
Yog tias koj xav tau cov ntaub ntawv no, xav ntxiv txog kev sib tw. Cov neeg ua haujlwm zoo li feem ntau zoo tshaj plaws, thiab qee qhov yog qhov zoo dua, tab sis ntawm ib tus nqi siab dua.