如果鲍勃开车认真一点儿，他就不会出现这么多事件。
If Bob drove more (carefully), he wouldn't have so many accidents.
对许多美国人而言，坐在方向盘后面就像是他们自然栖息之处，不过，如果他们开车不认真的话，他们可就会变成面临危险的动物了。
For many Americans, being behind the wheel is like their natural habitat. But if they don't drive carefully, they can become an endangered species.
新机开车前，先认真核查电路有无漏电、短路、各螺栓结合部有无松动。
Before starting the machine, check and make sure there are no creepage, short circuit in all the circuits, and all the screws and bolts are secured.
新机开车前，先认真核查电路有无漏电、短路、各螺栓结合部有无松动。
Before starting the machine, check and make sure there are no creepage, short circuit in all the circuits, and all the screws and bolts are secured.
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