"I think after the Marriott and (Ritz) Carlton 2009, after the raid of Aceh and Pamulang, there is a strong indication that the network is getting stronger and stronger."

VOA: standard.2010.03.24

Or if we look at how strong it is, it's actually stronger than a single bond, but weaker than a double bond.

或者如果我们看键的强度的话，它实际上比单键更强，而比双键更弱。

麻省理工公开课 - 化学原理课程节选