Type4 就…而言；关于
[1] as far as …is/are concemed: As far as current situation is concerned
[2] as t the problem as to NP有关…的问题
Type5问题
[1] Although much effort has been made, the situation is far from satisfactory (or: the problem remains unsolved, little improvement has been achieved)
[2] There is a tendency, as recent study (investigation) has pointed out (shown, revealed, indicated),+THAT
[3] There is growing concern about +NP
[4] It will inevitably (is likely to )result in (lead to ) unwanted (serious) consequence (or NP)
[5] Unfortunately,…
[6] We will not be able to afford the risk of overlooking the seriousness of the matter.
[7] The process, once initiated, is most likely irreversible.
[8] We are constantly (frequently) faced with NP
TYPE6重要与必要；（应）注意与重视
[1] NP1 is of great importance (necessity, value) in NP2 (or: NP is of enormous significance)
[2] The importance (necessity) of NP (to do sth.) lies in (the fact) that…
[3] NP1 plays, as is known, an irreplaceably important role in NP2
[4] The irreplaceably important role NP1 plays in NP2 is significant (obvous)
[5]