It costs tremendous amounts of time to find it, but this is the only way to make real progress.

它花费了大量的时间来找到它，但这是唯一途径，取得真正的进展。

youdao

It costs tremendous amounts of time to find it, but this is the only way to make real progress.

它花费了大量的时间来找到它，但这是唯一途径，取得真正的进展。

youdao