时间

time
～还早。It’s still early./～已到。Time is up. /经受～的考验stand the test of time/缩短所需的～ cut down the required time/办公～office hours/出发和抵达～time of departure and arrival/喘息的～breathing spell/格林尼治标准～（格林尼治平时）Greenwich Mean Time(原称“格林威治标准～”)/夏令～summer time/闲暇～leisure time; leisure hours/业余～spare time/～观念sense of time/～优先time preference/～与空间time and space/～费用权衡time-cost trade-off/～因素time factor/～范围 time frame;time horizon/～可逆转time reversibility/～意识 time sense /～段time scale/～效益 time utility/～就是金钱，效率就是生命time is money,efficiency is life