例句與造句

1. In earlier grades , the use of so - called token economies , in which students handle challenging problems and receive performance - based points toward valued rewards , shows promise in raising effort and creativity , the delaware psychologist claims
   這位特拉華心理學(xué)家聲稱，在低年級(jí)運(yùn)用這種所謂的象征性獎(jiǎng)勵(lì)機(jī)制，即讓學(xué)生動(dòng)腦筋解決問(wèn)題，并根據(jù)其表現(xiàn)給予有價(jià)值的獎(jiǎng)賞所需要的分值，有望提高學(xué)生的干勁和創(chuàng)造力。
2. It's difficult to find token economy in a sentence. 用token economy造句挺難的