Starbucks ( sbux ) ceo howard schultz also had to pull the reins in on his company 's expansion .

星巴克（Starbucks）CEO霍华德•舒尔茨也不得不拉住了公司扩张的缰绳。

It 's like a slingshot -- the harder you pull , the more propulsion you generate . "

就象弹弓，你拉得越用力，推进力就越大。”

He gave a quick pull on the rope .

他很快地拉了一下绳子。

It is not easy to escape the gravitational pull of chinese history .

中国历史的引力是如此之大，令人难以逃脱。

But the pull of brussels remains strong .

但是欧盟依然无比吸引着它们。