但这些治疗都不太有效，而且成功与否因人而异，作者说。
But these therapies are only modestly effective, and success varies widely, the authors said.
一些其他的技术不太有效，但仍设法向读者传达重要的概念。
Some other techniques proved to be less effective, but still managed to convey the important concepts to the reader.
虽然银行会试图向网上结算征收费用，但这一招数过去就不太有效。
Banks could try to charge customers for settling such bills online; however in the past such schemes have failed.
我们能够用作推广的资金非常有限，而我们现有的广告似乎不太有效。
"We have a very limited marketingbudget and our ads don't seem to pull people in, " says Korey.
我们能够用作推广的资金非常有限，而我们现有的广告似乎不太有效。
"We have a very limited marketing budget and our ads don't seem to pull people in," says Korey.
多年不保养仍能使用，虽然不太有效率。如果你寻找一个基本运输工具你没选错。
After years of neglect they still manage to function, though not always too efficiently. If it's basic transport you're after then you can't go wrong.
多年不保养仍能使用，虽然不太有效率。如果你寻找一个基本运输工具你没选错。
After years of neglect they still manage to function, though not always too efficiently. If it's basic transport you're after then you can't go wrong.
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