Instead, it focuses on explicit boundaries, predictable behavior,
And, if a robot arm were to swing out towards you, for safety reasons you would want to be able to immediately stop it and push it back without harming yourself, reverse that motion instantly. For one thing, that requires a back-driveable actuator.
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魅族手机或将成为历史：业务实质性停摆，3月正式退市。关于这个话题，同城约会提供了深入分析
在陳先生看來，政府的操作「未必著緊（指重視）居民的意見，或者將居民的想法看得太普通、太簡單」。