zhè / tái / biàn xié shì / tóu yǐng yí / tǐ jī / xiǎo / chū chāi / shí / dài zhe / hěn / fāng biàn这台便携式投影仪体积小,出差时带着很方便。This portable projector is compact, so it is convenient to take on business trips.