That kind of shoes are __________ expensive for me.

翻译：smartcards

__________ were naturally a musical family .

英译汉：Even as exchanges emerge to enable rich interaction among companies, businesses are looking forward to the Internet to enable the adoption of truly dynamic pricing . One solution is emerging in the form of bots, software that serves as an agent acting on behalf of a specific user or application. Advancing bot technology enables dynamic, automated, real-time interaction between buyers and sellers, allowing sellers to capture the true value of their goods in the market.

这件工作我不满意。(satisfy)