Be that as it may, even if every approach can be put into action and all the standards attained, that would only mean lowering pollution to regulation levels but not to zero.
但不管如何，即使在各種條件上都能配合得面面俱到，也只是把機車汙染降到最低，合乎環保署的規定，卻不可能達到零汙染。