this is due to

/ðɪs ɪz duː tuː/

这是因为，这是由于

This is due to a sudden drop in temperature.

这是由于气温突然下降导致的。

短语中的due源自拉丁语debere，原义为“欠、应当”，14世纪进入英语后逐渐衍生出“因为、由…导致”的含义，this is due to的现代用法在18世纪成型。

记住固定结构：this表示“这件事”，due to表示“归因于”，直接组合就可以理解含义。

this is due tomainly this is due tolargely this is due to

this is because ofthis results from

this is not because ofthis is unrelated to