not the same thing, though!
DW, by the so call "BEST PRACTICE", should not be 很幹淨, and never need 很幹淨!
if 他們用個什麽application做些簡單的數據處理, then, this system would have these issues/risks:
1) performance;
2) security;
3) maintanance; and,
4) expensive for CR!