费: to cost, to spend, fee, wasteful, expenses...
值得: to be worth, to deserve...
监测: to monitor...
时刻: time, juncture, moment, period of time, constantly, always...
肯: to agree, to consent, to be ready (to do sth), willing...
秒: second (unit of time), arc second (angular measurement unit), (coll.) instantly...
贸易: (commercial) trade...
高科技: high tech, high technology...
亮: bright, clear, resonant, to shine, to show, to reveal...
西瓜: watermelon...
