The study says there must be a complete overhaul of air traffic control systems.
研究称必须对航空交通管理系统进行彻底的改革。
Fat does a heart good, if you're a python, a new study says.
一项新研究得出的结论是，如果你是一条巨蟒的话，脂肪对心脏是有好处的。
But this new study says it isn't so.
但这项新研究显示事实并不是这样。
Some people say 5% or 1%, another study says 7%, but we'll start with 10%.
有些人说是5%或者1%，还有其他研究称7%，但我们会从10%出发。
A new study says that drinking water before meals can help you lose weight.
一项最新研究指出饭前喝水有助于减肥。
Alien world could host liquid water if it has 50 percent cloud cover, study says.
研究表明，如果外星星球覆盖50%云层就可能拥有液态水。
Alien world could host liquid water if it has 50 percent cloud cover, study says.
研究表明，如果外星星球覆盖50%云层就可能拥有液态水。
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