1.gender equality 性别平等
We must continue to press for full gender equality until discrimination against women is eliminated.
我们必须尽力实现实现两性平等,直至消除对妇女的歧视
2.life expectancy 预期寿命
Scientists estimate that smoking reduces life expectancy by around 2 years on average.
科学家们估计,吸烟使预期寿命平均缩短了大约两年时间