缺少阳光，长时间在室内呆着会容易让人感觉到疲劳，研究证明阳光可以刺激大脑内的化学物质从而达到愉悦心情的效果。

Research suggests that light stimulates brain chemicals that improve mood.

youdao

许多比较老的文件系统缺少日志，这常常意味着在系统崩溃之后需要长时间的磁盘检查。

Many older file systems lack journals, which often means that they require lengthy disk checks after a system crash.

youdao

我经历过很长时间的“野蛮”时期，缺少有用指标对我的过程的指导，而且没有快乐可言。

I've lived through many "savage" times, without the direction provided by useful metrics in my process, and it's no pleasure.

youdao

尽管如此，仍不尽人意。许多人——尤其是缺少劳动技能的工人——长时间找不到工作。

Even so, many are struggling: a lot of people, particularly those with limited skills, have been unemployed for a long time.

youdao

因此，如果你是住在市中心的话，也就意味着要忍受拥挤的交通，忍受长时间的高压力和缺少私人空间。

So, if you work in the city centre, that might mean a long commute, long hours, high stress levels and lack of privacy.

youdao

因此，如果你是住在市中心的话，也就意味着要忍受拥挤的交通，忍受长时间的高压力和缺少私人空间。

So, if you work in the city centre, that might mean a long commute, long hours, high stress levels and lack of privacy.

youdao