First, you can write programs that will pre-generate tables of data for use at runtime.
首先，可以编写一些程序来提前生成一些数据供运行时使用。
2
Software developers must get such apps pre-approved by Apple, which sometimes demands changes or rejects programs for what the developers say are vague reasons.
软件开发者在发布应用前需得到苹果批准，苹果有时会要求修改或因为一些据开发者说不明确的原因拒绝方案。
3
Many of the pre-loaded programs turned out to be trial versions and required users to pay a monthly fee to keep them going.