总结

summarize; conclude; sum up; recapitulate; draw a conclusion; make a summary; summary; summation; summing-up; summing up; recapitulation; peroration

过去

pass; go; lapse; elapse; go by; pass by; past; yesterday; yesteryear; back; before; once; old; period; gone; bygone; erstwhile; old-time; of yesteryear; once upon a time

经验

experience; lesson; go through; undergo; gain experience; have; experiential; experienced; seasoned