唐皓、马光明、秦诗华和童大川是某都市大学的同班同学，他们积压着来自不同家庭背景的对美好未来的憧憬。唐皓长在农村，家境贫苦，马光明出生高干家庭，童大川爸爸是有钱的商人，而秦诗华则是当地有名资本家的千金，人长得漂亮，又善解人意相比武界出版社开出的千字七八千的价格，要少上很多。Pike 2.32. The registerForm.onsubmit function lacks flexibility. If we add a new validation rule or want to change the length validation of passwords from 6 to 8, we must change the code inside the registerForm.onsubmit function. Violating the open-closed principle.A2.3 Collection of medical history当时喊得痛快吧？如今可受罪了。
