At the start of the 1800s, a new artillery shell appeared on the battlefields of Europe. It was the brainchild of an English officer who had spent 30 years perfecting it.
十九世纪初，欧洲战场上出现了一种新炮弹，那是英国一名军官发明的，花了他三十年研制，精益求精。
Discussion with others is a good way to pool collective wisdom. Study and discussion can serve to remove the defects in a works, perfecting it and making it produce better results.
互相探讨是集思广益的好办法，一个作品经过大家研究和讨论，是会更臻完善、收效更大和不易发生毛病的。
Discussion with others is a good way to pool collective wisdom. Study and discussion can serve to remove the defects in a works, perfecting it and making it produce better results.
互相探讨是集思广益的好办法，一个作品经过大家研究和讨论，是会更臻完善、收效更大和不易发生毛病的。
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