Until recently, however, this sort of testing has proven to be a burden as typically, you'd need to purchase tools that promoted late cycle testing.

尽管如此，直到最近，这类测试都常被证明是一个负担，需要购买工具来促进开发周期晚期的测试。

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After completion of five-cycle testing, the EPA has rated the Nissan LEAF with an MPG equivalent of 106 city, 92 highway for a combined 99 MPGe.

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One cycle of testing and implementation is not enough because your products will change, your audience will change, and your competition and market cycles will change.

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That's a huge win during the testing cycle, though hard to replicate in the real world.

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