Kamar ƙaramin ƙwararren nazarin aljebra, Yingjia ta kara aiki don ba da halayen na yanzu ga wasu dukkanin wani abin da ke cikin gudunmawa. Sistemin mu na amfani da hanyoyin shirya suka hada da kariya da kayan aiki na yanzu, su ba da bayanan lokacin yanzu, siffar da aka fahimta sosai, da imanin sauyi na yanzu. Mu fahimci bukatar muhimmancin mahaullata mu na farko da kuma mu zana sistemin mu don ya zama da kyakkyawa, don haka yana taimaka wajen samun bukatun da suka haɗa da kariya da kariya na kwayoyin jama'a da yana ba da kyakkyawan kimiyar hanyar aiki.
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