time-consuming process 意味

• 時間｛じかん｝のかかるやり方
  

例文

1. during the heian period and after , however , very few statues were made by this method , due to the large amount of costly urushi required , and the time-consuming process .
   しかし、高価な漆を大量に用いるうえ、制作にも手間がかかるため、平安時代以降はほとんどつくられなくなった。