（英译汉） Subtraction is one of the four basic arithmetic operations, it is the inverse of addition. Subtraction is denoted by a minus sign in infix notation.

JSON(JavaScript Object Notation) 是一种轻量级的数据交换格式。

NOTATION类型的属性主要针对的对象是非XML格式的数据

Explanation<br/>of any other symbols or notation used A: 2,5 B: 1,3 C: 4,5 D: 2,3

JSON是JavaScript对象表示法（JavaScript Object Notation），是一种轻量级的数据交换格式。

All the following are optional parts of a business letter except______. A: Attention Line B: Enclosure Notation C: Complimentary Close D: Postscript

As ______ in our agreement, rental cars should be returned to the original rental location with a full tank of gas. A: note B: notation C: noted D: notes

Child mortality (死亡率) decreased due to improvements in medical care and greater attention to problems related to proper __________. A: narration B: nomination C: notation D: nutrition

note a. Seeing nobody at home, he decided to leave a note. b. In music, a note is the pitch and duration of a sound, and also its representation in musical notation (♪, ♪).

Reference notation may include thedate of the letter, a file number, the contract number, L/C number or the initials of thesigner of the letter and take the form as “Our ref.’’ and “Your ref.’’ .