1, Not seldom , it had been seen by multitudes.

2, I hear not seldom said that time is money.

3, Cowper: Books are not seldom talismans and spells.

4, Join dependency in relational data theory is not seldom seen during database systems designing.

5, Not seldom did I go to Victoria Park while I stayed in Causeway Bay.

6, A relatively slow developing trend was shown, however, good protrusive kinds of TCM aerosols not seldom.