开头句型
1far as …is concerned 就……而言
2goes without saying that… 不言而喻…
3can be said with certainty that… 可以肯定地说…
4the proverb says， 正如谚语所说的，
5has to be noticed that… 它必须注意到…
6.It's generally recognized that… 它普遍认为