helpful to的用法和樣例：
例句
- It is not so helpful to give someone some bread as to teach him how to make a living.
與其說(shuō)給人面包很有幫助，倒不如說(shuō)教導他如何謀生才重要。 - The experience in army is helpful to him.
他從軍的經(jīng)歷對他很有用。 - Maybe these nutrients are helpful to your health.
或許這些營(yíng)養品對你的健康有幫助。 - These tactics are unlikely to be helpful to you.
這種方法對你未必有用。
