Examples
suī shuō虽说shì是gāo高xué lì学历，yě也wèi bì未必jiù就yǒu有jiào yǎng教养。
虽说是高学历，也未必就有教养。
A good education doesn't imply a good upbringing.
但是，虽说是安全期，但好像也不代表体内射精不会怀孕。
However, it seems that just because it's a 'low risk day' doesn't mean that you won't get pregnant from intravaginal ejaculation.