1. 電子商務(wù) electronic commerce
    造句練習：在數(shù)字時代，電子商務(wù)在經(jīng)濟領(lǐng)域扮演著越來越重要的作用。
    參考答案：In digital era, electronic commerce plays an increasing role in the field of economy.
    2. 投資 investment
    造句練習：按照國際慣例，在一個國家教育投資應(yīng)該占其國民生產(chǎn)總值的4%。
    參考答案：In line with international convention, education investment in a country should account for 40 percent of Gross Domestic Product (GDP for short).
    3. 購買力 purchasing power
    造句練習：經(jīng)濟的發(fā)展使國民的購買力大幅提升，從而有更多的錢用于教育、旅游、日常開銷等。
    參考答案：Economic growth brings citizens greater purchasing power which makes it available for them to cover education, travel，daily expenses and so forth.
    4. 消費 v. consume ;n. consumption
    造句練習：在人們生活水平大幅提高的今天，更要倡導(dǎo)理性消費。
    參考練習：Today while living level are greatly advanced, rational consumption should be advocated even more.