There may be many problems, but they can be reduced principally to two points.(問題雖多，但歸納起來主要有兩點。)

It principally affects humans and monkeys, and is transmitted via the bite of Aedes mosquitoes.(該病主要影響人類和猴子，通過伊蚊叮咬傳播。)

This is principally because the major export markets are slowing.(這最主要是因為主要出口市場越來越不景氣。)

The Tunisian cultivated patrons in Europe, principally but not exclusively France.(突尼斯的主顧則在歐洲，以法國為主但不僅限于法國。)

This architecture allows applications to deal principally with data graphs and data objects.(此體系結(jié)構(gòu)允許應(yīng)用程序主要處理數(shù)據(jù)圖和數(shù)據(jù)對象。)

The New Multilateralism will still depend principally on national leadership and cooperation.(新多邊體系的建立仍將主要取決于各國領(lǐng)導(dǎo)層及其合作。)

We considered using an existing publishing system that principally supported the creation of blogs.(我們考慮使用一個現(xiàn)有的發(fā)布系統(tǒng)，它主要支持創(chuàng)建blog。)

There are principally two types of system - battery (electrical) and flywheel (mechanical).(現(xiàn)在該系統(tǒng)有兩種主要的類型-電池(電子型)和飛輪(機械型)。)

Perls has found that in centenarians, it's principally genes that are the secret to extra years.(波爾斯發(fā)現(xiàn)，在那些百歲老人中，多活那些年的秘密主要在于基因。)

A critical consensus has appeared that Mary McCarthy will be remembered principally as an essayist rather than as a novelist.(一個批判性的共識已經(jīng)出現(xiàn)，即瑪麗·麥卡錫將作為散文家而不是小說家被人們記住。)