Zoo, ib nrab ntawm cov kwv tij thiab ib nrab cov viv ncaus tsis muaj feem cuam tshuam, yog li nws tsis tuaj yeem suav tias yog yam phem lossis kev ua tsis ncaj ncees. Nws tsis yog qhov xav tsis thoob tias tus txiv neej laus thiab tus ntxhais, tsis muaj kev sib deev tsis tu ncua thiab yuav luag txhua hnub nyob ib puag ncig, dheev hnov zoo li kev sib deev rau ib leeg. Xav tias tus ntxhais nyiam nws (tus txiv neej ces tsis muaj lus nug), kuv xav tias lawv yuav xyaum ua tej yam zoo li no ib ntus.
Tus me nyuam muaj tus hniav qab zib. Tau koj poke tawm, koj yuav tau txais ib tug tiag tiag dick ntawm koj ob txhais ceg. Nws tsis tas yuav ua ntau yam txog nws, lub qhov ntub dej tau pom txhua yam rau nws. Yog tias kuv yog nws, kuv yuav tsuag rau ntawm lub ntsej muag zoo nkauj - cov txheeb ze yuav tsum tau tiv thaiv lawv tus kheej.