它的优点和上节类似：紧凑数据表、跨三个具体子类的数据分区以及对子类任意数据的修改都只涉及一张表。
The pros are similar to the above section: compact tables, data partitions across three concrete subclass tables, and any data change on a subclass only involves one table.
我更倾向于拥有24名选手，但是我不会单纯的凑数。
I'd rather have 24 players, but I don't want to take players on just to make up the Numbers.
切尔西新援西德维尔首次透露了他是如何成为一名切尔西球员的，同时他也表示：“我来这里不仅仅是凑数的。”
New signing Steve Sidwell has spoken for the first time about what it's like to be a Chelsea player, and announced: 'I'm not here to make up the Numbers.
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