Do my sentences look natural? If not, how to change it better? "I concede that, in the past, people should save money for future in order to make sure they can get help in case of an emergency. In modern time, however, we have many financial products such as insurance, which can help us when we are in trouble. So there is no need to save too much money; we should spend more money on traveling to bring us a happy life."

How to make this sentence more natura?3Q "Few things are more likely to destroy opportunity than opportunity comes, you do not prepare well." how to make this sentence more natural.Actually,what I want to say is "You are not well-prepared when opportunity comes. This thing destorys opportunity." I'm sorry, how to express this meaning use the form like my first sentence? 3Q for your help.

How to change sentence to make it more natural.3Q "Actually, there is no time for us to think carefully, because the more time we waste, the more risks we have." How to change sentence to make it more natural.“Actually, there is no time for us to think carefully, because the more time we waste, the more risks--our clients are attracted by another company, and so forth--we have.”How to change sentence to make it more natural

Anything wrong with the sentence? And is there a better way to express the sentence? "Though, in modern society, people often have more desires, the main reason to influence one's happiness, the same problem may also upset the people in the past." Anything wrong with the sentence? And is there a better way to express the sentence?

How to combine the two sentences into one? 3Q "People who satisfying what they already have tend to be happier. No matter now or in the past." How to combine the two sentences into one?

anything wrong with the sentence?) Is it the best way to teach to praise positive actions and ignore negative ones? (anything wrong with the sentence?)

这句话有语法错误吗？（this sentence has any grammar mistake?） The author in the passage advocates that the interview-centered method is much more accurate than the observation-centered approach, as the arguer got a result, that children in Tertia were reared by biological parents rather than an entire village by interviewing, is totally different from what Dr. Field got, twenty years ago, by observing. how to change to make the sentence more appropriate?

求各路大神说明句子的句子成分所用语法 The judge's standing in the legal community,though shaken by phony allegations of wrong doing,emerged,at long last,undiminished.