The most interesting aspect of marathon training -- really, the only aspect -- is the impact of iterative improvements on a growing foundation.

马拉松培训最有趣的方面——实际上，也是惟一的方面——就是提高不断叠加所带来的影响。

youdao

The most interesting aspect of marathon training -- really, the only aspect -- is the impact of iterative improvements on a growing foundation.

马拉松培训最有趣的方面——实际上，也是惟一的方面——就是提高不断叠加所带来的影响。

youdao