The development of the midcourse missile defense system has been plagued by gaps in flight testing over the years due in part to breakdowns resulting from the sheer complexity of the system.

多年来，美国中途导弹防御系统的开发已经饱受缺乏飞行试验的困扰，部分原因是由于系统复杂性所产生的故障。

youdao

While boasting annual box-office revenue increases for nine straight years, largely due to increased ticket prices, the number of actual tickets sold has declined for the second year in a row.

尽管连续九年每年票房收入快速增加，很大程度是因为票价上涨，实际销售的票数量在第二年是下降的。

youdao

The chipmunk population increased strikingly due to two successive years of abundant acorn crops in the forest.

金花鼠数量显著地增加，是因为森林里连续两年丰硕的橡子收成。

youdao

Housing debt is much higher. Still,around two trillion dollars in commercial mortgages are expected to come due for payment within the next five years.

VOA: special.2009.09.04

Carole White and Mia Farrow, who each have their own account of that evening 13 years ago, are due to appear in court next week.

VOA: standard.2010.08.05

For example,one question they wanted to answer was whether the loss of quality life years was due to people dying sooner - mortality - or living in poor health - morbidity.

VOA: standard.2010.08.10

And Indonesia, with its first free elections for over 40 years due in June, is at least stumbling in the same direction.

ECONOMIST: Malaysian justice

In the US, the economic data was mixed, as producer prices were up the most in three years, due in part to crude oil prices.

FORBES: The Week Ahead: How Sorry Will May Sellers Be?

Productivity increases have been strong in recent years, due in large part to improvements in technology - helping keep inflation in check while the economy expands.

BBC: US productivity grows 5%