她們在6個月內，由一班專家協助進行大改造，最後由婚姻介紹所顧問幫助她們

她們在6個月內，由一班專家協助進行大改造，最後由婚姻介紹所顧問幫助她們逐一介紹對象。

Results (English) 1:

They are within six months, by a group of experts to assist in the transformation of large, finally helped by a marriage agency consultant who introduced one by one object.

Results (English) 2:

Within six months, they were assisted by a team of experts in the transformation, and finally by a marriage agency consultant to help them introduce each of them.

Results (English) 3:

Within six months, a group of experts assisted them in the major transformation, and finally the counselors of the marriage agency helped them introduce each other one by one.