Someone who is easy to understand or transparent.
一个容易理解或透明的人 (yí ge róng yì lǐ jiě huò tōng míng de rén)
"She’s an open book; you always know what she’s thinking."
"她是一本open book; 你总是知道她在想什么。" (tā shì yī běn **open book**; nǐ zǒng shì zhī dào tā zài xiǎng shén me.)
to be in constant conflict or fighting
to surprise or shock someone suddenly
to write something fast so you don’t forget
to take advantage of a trend or situation
the use of algorithms to automate trading in financial marke...
a person who works too much and finds it hard to stop
