You've got used to them-and they're at least as addictive as nicotine or crackcocaine.
你已经习惯他们了——就像对尼古丁或可卡因上瘾一样。
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Although dopamine is often associated with the experience of pleasure-it represents "rewards," such as chocolate cake or crackcocaine-it also helps make us want stuff.
After all, they managed to cut crime when several trends, from the growing availability of crackcocaine to the continued breakdown of poor families, were against them.