Unfortunately, this process usually contains deviation and error, and consumes a great deal of time, and the expense is very high.

不幸的是，这一过程常常有偏差和误差，并且耗时、费用高。

youdao

Unfortunately, this process usually contains deviation and error, and consumes a great deal of time, and the expense is very high.

不幸的是，这一过程常常有偏差和误差，并且耗时、费用高。

youdao