Recipients should work between fiveandten hours a week, he said, helping with the elderly, school outings and so on. Those who refuse should have their benefits cut.
They estimate that they will need between fiveandten years to commercialize their technology because uncertainties remain regarding the durability of organic cells.
他们估计要用五到十年的时间使他们的技术商业化,因为关于这种有机电池的耐久性还不确定。
3
In Japan and South Korea it now takes between fiveandten minutes to download a film in standard definition.