In my opinion, exertion should always be in proportion to what is required.

語音講解：
單詞發音
exertion /ɪɡˈzɜːʃən $ -ɜːr-/
proportion /prəˈpɔːʃən $ -ˈpɔːr-/
require /rɪˈkwaɪə $ -ˈkwaɪr/
連詞發音
my opinion /maɪjəˈpɪnjən/
should always /ʃədˈɔːlwəz/
輕讀重讀
重讀：my/exertion/required
弱讀：should/to

詞匯講解
1. exertion noun.來源：exert verb.運用,用力
釋義：a lot of physical or mental effort 努力; 費力
例句：The afternoon’s exertions had left us feeling exhausted.
整個下午的勞動讓我們筋疲力盡。
2. in proportion to phrase.相對于某事物來說 與某事物成比例
釋義：a part of a number or an amount, considered in relation to the whole 比率
例句：My expenses weren't really growing in proportion to my income.
我的開支和我的經濟收入是完全不匹配的。
活學活用
in proportion to phrase.相對于某事物來說 與某事物成比例
英文：The size of the house is not in proportion to the garden.
中文：房子的大小與花園不成比例。
語法講解
In the beginning was the heaven and the earth是一個介詞短語前置的倒裝句，起強調作用。
原句：The book was on the desk.
倒裝：On the desk was the book.

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