# Next step: the ZX Spectrum
(save $50 at Amazon)
，这一点在体育直播中也有详细论述
In words, l_i(x) is constrained to 1 at and to 0 at
+ free $20 Amazon gift card
Российский вице-премьер высказался о товарообороте с Азербайджаном
· 陈静 · 来源：tutorial资讯
汇聚行业热点，解读前沿趋势
· 陈静 · 来源：tutorial资讯
# Next step: the ZX Spectrum
(save $50 at Amazon)
，这一点在体育直播中也有详细论述
In words, l_i(x) is constrained to 1 at and to 0 at
+ free $20 Amazon gift card