自己来公布一下网上搜寻结果: Differences between BV65 ("classic" or current) and BV70: *harness adjusts with knobs on BV65, handle on BV70 *RF weight limit 35# on BV65, 40# on BV70 *FF weight limit 65# on BV65, 70# on BV70 *Shell height about 0.5"-1" shorter on BV70 than BV65 *Top harness height possibly very slightly taller on BV70 than BV65 *3 recline (2 FF, 1 RF) on BV70 vs 2 (1 FF, 1 RF) on BV65 *Safe Cell technology and lower center of gravity on BV70 *different lock-offs (both kinds lock the belt, new l