But again some scepticism is warranted. Rising divorce rates and a growth in casual dating were apparent well before the first online matchmaking sites came into being.
但那些怀疑论者们又一次开始辩解了：离婚率升高及随意约会增加在第一个在线做媒网站出现前就显现了。
2
Further well-designed trials are warranted to establish its place in the treatment of PTSD.
更进一步的设计良好的临床试验对于确立其在治疗PTSD中的地位是必要的。
3
He can then hardly fail to recognize that an occasional bluff may well be justified in terms of the game's ethics and warranted in terms of economic necessity.