now and then，out of order，once more，generally speaking，in terms of，date back to，regardless of

（1）I want to thank you

once more

once more

for offering me timely help.
（2）He goes hiking

now and then

now and then

to get some inspiration for new inventions.
（3）The vase is said to

date back to

date back to

Ming Dynasty.
（4）Each person should be treated equally

regardless of

regardless of

social status or wealth.
（5）

Generally speaking

Generally speaking

，girls like romantic play more than boys do.