Sometimes things need to go through several steps, thus causing delay in resolving these issues.
ผลลัพธ์ (ภาษาอังกฤษ) 2:
Sometimes things have to go through several stages, thus causing delays in resolving these issues.
ผลลัพธ์ (ภาษาอังกฤษ) 3:
Sometimes the must pass through several stages, thus causing delay to solve problems on them.