有些城市对准入的自行车或滑板车数量强制实行了严格的最高限额，至少在首次将其合法地投放于市场时（会做出这样的限制）。
Some cities imposed tight caps on the numbers of bikes or scooters allowed, at least during the initial, legal rollout.
“这是肯定会发生的。” 洛杉矶电影制片人、好莱坞电影公司顾问罗布·凯恩说。
"It was bound to happen." said Rob Cain, a Los Angeles-based film producer and consultant to Hollywood studios.
目前文献中没有证据可以让任何人用来确切地说明暴力电子游戏与校园枪击事件之间存在因果关系。
There is currently no evidence in the literature which anyone can confidently use to causally link violent video game play and school shootings.
苹果在很大程度上仍是一家出售iphone的智能手机公司，其股价表现依然与该产品的出货量息息相关。
Apple remains largely an iphone company with stock performance remaining tied to iphone shipments.
此外，其他研究表明化石燃料衍生能源的回报已经下降，并将进一步下降，因为这些能源会产生与污染和气候变化有关的更多费用。
What's more, other studies suggest returns from fossil-fuel-derived energy have fallen, and will decline further as they incur increased costs associated with pollution and climate change.
一项后续的研究让225位妈妈和她们六岁左右的孩子进入一个熟悉的环境，给每个妈妈和孩子分发了食物品尝，然后把他们的交流录了下来。
A follow-up study brought 225 mothers and their approximately 6-year-old children into a familiar setting and videotaped their interactions as each parent and child were given foods to try.
它们改变身体的颜色和姿势不仅仅是为了融入环境和避免捕食，同时也是为了沟通交流。
They change body color and posture not just to plend in and avoid predation, but also to communicate.
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