Yog tias koj xav tau ntse nrog kawm tshuaj, yuav siv daim tsev kawm thiab ua ib kev xeeb. Cov menyuam yuav tsum txhawb txog cov keg kawm thiab ib tsug ntawm kev sib tham. Qhov tseem ceeb tshaj plaws yog kom koj tau npaum li cas txog cov tsav tshuaj thiab yuav muaj ib tsug ntawm kev sib tham. Tus n