Step 1: Meaning of sacrificing ratio.
Sacrificing ratio = the ratio in which old partners sacrifice their share of profit in favour of the new partner.
Step 2: Treatment of goodwill.
The amount of goodwill brought by the new partner is distributed to the old partners in their sacrificing ratio, to compensate them for loss of future profits.
Step 3: Conclude.
Hence, goodwill is always shared in sacrificing ratio.
Final Answer:
\[
\boxed{\text{Sacrificing ratio}}
\]