长期

over a long period of time; long-term; long-lasting

♦ ~规划 a long-term plan

♦ ~天气预报 a long-range weather forecast

♦ ~存在的问题 a long-standing problem

~保险 long-term insurance~亏损 run at a loss for years~利率 long term interest rate~市场前景 long-term market outlook~债券 long-term bond