Modern video cameras are light and easy to carry.
新型的攝像機很輕，容易攜帶。
Credit cards eliminate the need to carry a lot of cash.
有了信用卡就用不著攜帶很多現(xiàn)金。
The work will be carried out at a future date.
這項工作將來再做。
He has carried out extensive research into renewable energy sources.
他已經(jīng)對再生能源進行了廣泛研究。
The research was carried out on a modest scale.
這個研究項目開展的規(guī)模不算太大。