对一个物种的福祉和生存的影响，只是对该物种所有个体的选择所造成影响的结果。
The effect on the well-being and existence of a species is just the result of the effects of selection on all the individuals of the species.
尝试选择所有的唱片，将返回结果的格式改为格式化文本。
Try to select all the CDs; then change the format of the returned results to formatted text.
查询完成后，将返回一个结果集，其中包含满足选择条件的所有记录。
Upon completion of the query a result set is returned containing all of the records that met the selection criteria.
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