YOU SAID:

Progress, unfortunately, has been slow these past decades. I am adamant that we cannot reproduce the technology until we have found a solution, as I am sure that unless we kill both birds with one stone, we will simply hasten the process.

INTO JAPANESE

残念ながら、この数十年は進歩が遅れています。解決策が見つかるまで技術を再現できないと断言します。1つの石で両方の鳥を殺さない限り、プロセスを早めるだけだと確信しています。

BACK INTO ENGLISH

Unfortunately, progress has been slow in recent decades. I assert that the technology cannot be reproduced until a solution is found. I'm sure it will only speed up the process unless you kill both birds with one stone.

INTO JAPANESE

残念ながら、ここ数十年で進歩は遅いです。私は、解決策が見つかるまで技術を再現することはできないと断言します。 1つの石で両方の鳥を殺さない限り、プロセスがスピードアップするだけだと確信しています。

BACK INTO ENGLISH

Unfortunately, progress has been slow in recent decades. I assert that the technology cannot be reproduced until a solution is found. I'm sure it will only speed up the process unless you kill both birds with one stone.