NO.PZ2023040301000177
问题如下：
The price competition historically demonstrated by
automakers and aircraft manufacturers is best described as an example of:
选项：
A. the threat of substitutes
the bargaining power of
suppliers
the rivalry among existing
competitors
解释：
C is correct. Despite relatively low risks from the
other Five Forces, automakers and aircraft manufacturers compete fiercely on
price, offering promotions and generous financing and warranty terms in an
attempt to capture every sale
这题什么意思，没看懂，请老师讲讲
