That I've lived to this age is probably due to my effort to sum up my personal experience of the past decades and draw a lesson from it. I've never been weighed down by CARES.

我能活到现在，大概是总结了过去几十年的经验教训，卸下了思想包袱，不生气、不悲观。

youdao

IO. Sum up your leanung experience.

总结你的学习经验。

youdao

They want to sum up their past experience before going on.

他们想先总结一下过去的经验再继续干。

youdao

White-washed mansions no higher than four floors, students from the respected Kiev-Mohyla Academy and street markets amid decrepit Soviet homes sum up the whole experience of being in Kiev: a bit eclectic, somewhat Soviet and still struggling between West and East.

BBC: Weekend in Kiev