trial and error success

There's no instant way to success - it's just a process of trial and error.

成功不可能一蹴而就——这只是一个反复尝试的过程。

They also have a refreshing attitude to "failure" - everything is viewed as a useful experience, and trial and error is seen as a legitimate path to success.

他们也有一种全新的“失败观”——任何事都是有益的经验，反复试验，不断摸索被他们看成是通往成功的正途。

Fortunately, after five years of trial and error, the development program, which started in 2011, finally achieved success.

幸运的是，经过五年的实验和失败之后，这一始于2011年的开发项目最终取得了成功。